2017-02-23

(theme videos) Biochemistry & Biophysics (from iBiology)

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source: iBiology    2017年1月11日
These are the Biophysics & Chemical Biology iBiology talks in our iBioSeminars series.
http://www.ibiology.org/ibioseminars/biophysics-chemical-...

Titia de Lange (Rockefeller U.) 1: Telomeres and human disease 37:24
Titia de Lange (Rockefeller U.) 2: How telomeres solve the end-protection problem 37:29
Nieng Yan (Tsinghua University) 2: Alternating Access of the Glucose Transporter 30:24
Nieng Yan (Tsinghua University) 1: Introduction to Membrane Transport Proteins 31:18
Nieng Yan (Tsinghua U.) 1 in Mandarin: Introduction to Membrane Transport Proteins 43:42
Taekjip Ha (Johns Hopkins / HHMI) 1: Developing single molecule technologies to study nanomachines 28:31
Taekjip Ha (Johns Hopkins / HHMI) 2: Combining FRET and optical trap to study the nucleosome 31:51
Taekjip Ha (Johns Hopkins / HHMI) 3: Investigating DNA Helicases using single molecule technologies 33:50
Julie Theriot (Stanford, HHMI) 3: Evolution of a Dynamic Cytoskeleton 41:04
Julie Theriot (Stanford, HHMI) 2: Mechanics and Dynamics of Rapid Cell Motility 37:20
Julie Theriot (Stanford, HHMI) 1: Protein Polymers, Crawling Cells and Comet Tails 28:54
Jayme Dyer (MIT): Knowing Where to Go: How Cells Drive Without Eyes 34:57
Jianjin Shi (Nat. Inst. of Bio. Sci., Beijing): How can we sense infection? Helping to treat sepsis 23:40
Thomas Pollard (Yale University) 3: The mechanics of cytokinesis 39:28
Thomas Pollard (Yale University) 2: Mechanism of cell motility pt. 2 21:44
Thomas Pollard (Yale University) 1: Mechanism of cell motility pt. 1 30:06
Robert S. Langer (MIT) Part 3: Biomaterials for Drug Delivery Systems and Tissue Engineering 26:51
Robert S. Langer (MIT) Part 2: Drug Delivery Technology: Present and Future 35:12
Robert S. Langer (MIT) Part 1: Advances in Controlled Drug Release Technology: An Overview 37:45
Rama Ranganathan (U. Texas Southwestern) Part 3: Protein Function and Adaptability 45:15
Rama Ranganathan (U. Texas Southwestern) Part 2: A Model for Protein Design 31:28
Rama Ranganathan (U. Texas Southwestern) Part 1: What is Protein Design? 27:06
David Baker (U. Washington / HHMI) Part 2: Design of New Protein Functions 26:48
David Baker (U. Washington / HHMI) Part 1: Introduction to Protein Design 21:22
Anna Marie Pyle (Yale U./HHMI) Part 3: RNA Helicases and RNA-triggered Signaling Proteins 32:16
Anna Marie Pyle (Yale U./HHMI) Part 2: Inside an RNA Splicing Machine 28:56
Anna Marie Pyle (Yale U./HHMI) Part 1: RNA Structure 23:04
Chaitan Khosla (Stanford) Part 1: An Introduction to Polyketide Assembly Lines 35:47
Chaitan Khosla (Stanford) Part 2: Dissecting Polyketide Assembly Lines 28:31
Chaitan Khosla (Stanford) Part 3: Vectorial Specificity of Assembly Lines 29:37
William Shih (Harvard) Part 1: Nanofabrication via DNA Origami 39:35
William Shih (Harvard) Part 2: Nanofabrication via DNA Single Stranded Bricks 33:38
William Shih (Harvard) Part 3: DNA-Nanostructure Tools 40:41
Catherine Drennan (MIT/HHMI) Part 1: Introduction to Metalloproteins 43:10
Catherine Drennan (MIT/HHMI) Part 2: Metalloproteins and Medicine 32:23
Catherine Drennan (MIT/HHMI) Part 3: Metalloproteins and the Environment 33:11
Kristala L. J. Prather (MIT) Part 1: Introduction to Synthetic Biology and Metabolic Engineering 26:12
Kristala L. J. Prather (MIT) Part 2: Teaching an Old Bacterium New Tricks 38:37
Howard Berg (Harvard) Part 1: Marvels of Bacterial Behavior - History & Physics 31:34
Howard Berg (Harvard) Part 2: Marvels of Bacterial Behavior - Molecular Machinery 30:09
Xiaowei Zhuang (Harvard/HHMI) Part 2: Applications of Super-resolution STORM 28:18
Xiaowei Zhuang (Harvard/HHMI) Part 1: Super-Resolution Fluorescence Microscopy 50:01
Jack Szostak (Harvard/HHMI) Part 3: Non-enzymatic Copying of Nucleic Acid Templates 53:52
Jack Szostak (Harvard/HHMI) Part 2: Protocell Membranes 40:43
Jack Szostak (Harvard/HHMI) Part 1: The Origin of Cellular Life on Earth 54:41
Carlos Bustamante: Single Molecule Manipulation in Biochemistry 38:30
Sangeeta Bhatia Part 2: Microscale Liver Tissue Engineering 30:00
Sangeeta Bhatia Part 1: Engineering Tissue Replacements 39:04
Alfred Wittinghofer (MPI) Part 1: GTP-binding Proteins as Molecular Switches 42:02
Alfred Wittinghofer (MPI) Part 2: GTPase Reactions and Diseases 55:02
Susan Taylor (UCSD) Part 3: Protein Kinase Regulation and Localization 27:05
Susan Taylor (UCSD) Part 2: Architecture of a Protein Kinase 28:15
Susan Taylor (UCSD) Part 1: Protein Phosphorylation in Biology 23:07
Toto Olivera (U. Utah/HHMI) Part 1: Cone Snail Peptides (archive) 23:41
Toto Olivera (U. Utah/HHMI) Part 2: How a Fish Hunting Snail Captures its Prey (archive) 21:32
Toto Olivera (U. Utah/HHMI) Part 3: Conus Peptide Genes a "Drug Development Program" (archive) 25:37
Carolyn Bertozzi (UC Berkeley) Part 2: Imaging the Glycome 58:01
Stephen Mayo (Cal Tech) Part 2: Designing Protein Libraries 34:10
Stephen Mayo (Cal Tech) Part 1: Protein Design by Computation 31:26
Carolyn Bertozzi (UC Berkeley) Part 1: Chemical Glycobiology 47:45

(theme videos) Cell Biology (from iBiology)

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source: iBiology       2016年11月29日/上次更新日期:2017年1月3日
https://www.ibiology.org/ibioseminars...

Sue Biggins (Fred Hutchinson Cancer Research Center, HHMI) 1: Chromosome Segregation 30:45
Sue Biggins (Fred Hutchinson Cancer Research Center, HHMI) 2: Investigating Kinetochore Function 23:28
Jody Rosenblatt (HCI, U. Utah) 1: Epithelial homeostasis: Cell division 25:06
Jody Rosenblatt (HCI, U. Utah) 2: Epithelial Apoptosis: Death by epithelial cell extrusion 23:57
Jody Rosenblatt (HCI, U. Utah) 3: Pathologies resulting from aberrant epithelial extrusion 25:41
Susan Lindquist (Whitehead, MIT / HHMI) 1a: Protein Folding in Infectious Disease and Cancer 21:05
Susan Lindquist (Whitehead, MIT / HHMI) 1b: Protein Folding in Neurodegenerative Disease 26:25
Susan Lindquist (Whitehead, MIT / HHMI) 2: Hsp 90: a Driver of Novelty in Evolution 58:47
Susan Lindquist (Whitehead, MIT / HHMI) 3: Prions: Protein Elements of Genetic Diversity 47:12
Julie Theriot (Stanford, HHMI) 3: Evolution of a Dynamic Cytoskeleton 41:04
Julie Theriot (Stanford, HHMI) 2: Mechanics and Dynamics of Rapid Cell Motility 37:20
Julie Theriot (Stanford, HHMI) 1: Protein Polymers, Crawling Cells and Comet Tails 28:54
Michael Dustin (Oxford, NYU School of Medicine) 3: The Immunological Synapse: Extracellular Vesicles 28:18
Michael Dustin (Oxford, NYU School of Medicine) 2: The Immunological Synapse: Signaling and Function 30:19
Michael Dustin (Oxford, NYU School of Medicine) 1: The Immunological Synapse: Antigen Recognition 36:58
Ron Vale (UCSF, HHMI) 3: Molecular Motor Proteins: Regulation of Mammalian Dynein 24:39
Ron Vale (UCSF, HHMI) 2: Molecular Motor Proteins: The Mechanism of Dynein Motility 39:37
Ron Vale (UCSF, HHMI) 1: Molecular Motor Proteins 35:26
Avery August (Cornell U.) 1: Allergies and the Immune System 15:56
Avery August (Cornell U.) 2: A Role for the Actin-Reorganizing Protein Drebrin in Mast Cell Function 22:50
Jayme Dyer (MIT): Knowing Where to Go: How Cells Drive Without Eyes 34:57
Rachel Green (Johns Hopkins U., HHMI) 2: Protein synthesis: mRNA surveillance by the ribosome 37:19
Rachel Green (Johns Hopkins U., HHMI) 1: Protein synthesis: a high fidelity molecular event 43:06
Thomas Pollard (Yale University) 3: The mechanics of cytokinesis 39:28
Thomas Pollard (Yale University) 2: Mechanism of cell motility pt. 2 21:44
Thomas Pollard (Yale University) 1: Mechanism of cell motility pt. 1 30:06
Thomas Kornberg (UCSF) 2: Cytoneme directed transport and direct transfer model 38:30
Thomas Kornberg (UCSF) 1: An introduction to paracrine signaling 34:38
Christine Jacobs-Wagner (Yale, HHMI) 2: DNA segregation & active intracellular transport in bacteria 32:26
Christine Jacobs-Wagner (Yale, HHMI) 1: The role of spatial organization in bacterial cell function 27:15
Robert Goldman (Northwestern U/MBL) Part 1: Cytoskeletal Intermediate Filaments 36:08
Robert Goldman (Northwestern U/MBL) Part 2: Nuclear Lamins 42:10
Arthur Horwich (Yale/HHMI) Part 1A: Chaperone-assisted protein folding 38:10
Arthur Horwich (Yale/HHMI) Part 1B: Chaperone-assisted protein folding 20:27
Arthur Horwich (Yale/HHMI) Part 2: The role of ATP binding and hydrolysis at GroEL 17:34
Arthur Horwich (Yale/HHMI) Part 3: Where are proteins folded by chaperonins? 17:25
Angelika Amon (MIT and HHMI) Part 3: Aneuploidy Disease Implications 30:32
Angelika Amon (MIT and HHMI) Part 2: Effects of Aneuploidy on Cell Physiology 36:54
Angelika Amon (MIT and HHMI) Part 1: Review of the Study of Aneuploidy 32:44
Tim Mitchison (Harvard) Part 1: Self-organization of microtubule assemblies 26:01
Tim Mitchison (Harvard) Part 2: Self-organization of meiotic spindles 41:50
Andrew Murray (Harvard) Part 1: Yeast Sex: An Introduction 27:15
Andrew Murray (Harvard) Part 2: How to shmoo and find a mate 51:46
Kai Simons (MPI) Part 1: The role of lipids in organizing the cellular traffic. 28:29
Kai Simons (MPI) Part 2: Lipid rafts as a membrane organizing principle 36:43
Kai Simons (MPI) Part 3: Biogenesis of glycolipid-rich apical membranes 31:50
Anthony Hyman (Max Planck Institute) Part 1: How does complexity arise from molecular interactions? 27:58
Anthony Hyman (Max Planck Institute) Part 2: Building a polymer: microtubule dynamics 25:47
Anthony Hyman (Max Planck Institute) Part 3: Formation and duplication of centrioles 23:10
Anthony Hyman (Max Planck Institute) Part 4: Formation of P granules 32:29
Xiaodong Wang (U Texas Southwestern/HHMI) Part 1: Introduction to Apoptosis 26:16
Julie Theriot (Stanford) Part 1: Cell Motility (archive) 43:59
Xiaodong Wang (U Texas Southwestern/HHMI) Part 2: The Intrinsic Pathway of Apoptosis 27:40
Xiaodong Wang (U Texas Southwestern/HHMI) Part 3: Extrinsic Pathway of Apoptosis 24:00
Julie Theriot (Stanford) 2: Force Generation by Actin Assembly (archive) 46:21
Julie Theriot (Stanford) 3: Principles of Cellular Organization (archive) 29:18
Randy Schekman (Berkeley) Part 3: Human Diseases of Vesicle Budding 32:29
Randy Schekman (Berkeley) Part 1: Studying Protein Secretion in Yeast 36:36
Randy Schekman (Berkeley) Part 2: Biochemical Reconstitution of Transport Vesicle Budding 25:15
Martin Raff (UCL) Part 1: Regulation of Cell Size 40:57
Martin Raff (UCL) Part 2: Cell Number Control 37:14
David O. Morgan (UCSF) Part 1: Controlling the Cell Cycle: Introduction 28:31
David O. Morgan (UCSF) Part 2: Controlling the Cell Cycle: Cdk Substrates 30:08
David O. Morgan (UCSF) Part 3: Controlling the Cell Cycle: Anaphase Onset 21:20
Satyajit Mayor (NCBS) Part 1: What are Membrane Rafts? 38:20
Satyajit Mayor (NCBS) Part 2: Looking for Functional Rafts in Cell Membranes 41:55
Satyajit Mayor (NCBS) Part 3: Making Rafts in Living Cell Membranes 20:39
Jennifer Lippincott-Schwartz (NIH) Part 3: Super Resolution Imaging 29:28
Jennifer Lippincott-Schwartz (NIH) Part 2: Photobleaching and Photoactivation 35:28
Jennifer Lippincott-Schwartz (NIH) Part 1: Intracellular Fluorescent Imaging: An Introduction 25:11
Mary Beckerle (University of Utah) Part 1: Adhesion, Signaling and Cancer 36:04
Mary Beckerle (University of Utah) Part 2: Discovery and Characterization 50:55
Mary Beckerle (University of Utah) Part 3: Focal Adhesions as Stress Sensors 30:57
Richard McIntosh (U. Colorado, Boulder) Part 3: Moving Chromosome to the Spindle Poles: Anaphase A 41:28
Ira Mellman (Genentech) Part 2: Antigen Presentation and Dendritic Cells 53:36
Ira Mellman (Genentech) Part 1: Cellular Basis of the Immune Response 38:31
Richard McIntosh (U. Colorado, Boulder) Part 2: Understanding Mitosis through Experimentation 39:03
Richard McIntosh (U. Colorado, Boulder) Part 1: Separating Duplicated Chromosomes 29:34
Robert Lefkowitz (Duke University) Part 2 Beta-arrestins 51:39
Robert Lefkowitz (Duke University) Part 1 Seven Transmembrane Receptors 55:15
Ari Helenius (ETH Zurich) Part 3: Open Sesame: Cell Entry and Vaccinia Virus 30:26
Ari Helenius (ETH Zurich) Part 2: Endocytosis and Penetration 30:19
Ari Helenius (ETH Zurich) Part 1: Virus entry 40:11

(theme videos) Microbiology (from iBiology)

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source: iBiology     2016年12月7日
http://www.iBiology.org

McFall-Ngai (U. Hawaii Manoa) 1: Living together: The symbiosis of host-microbial interactions  27:28
McFall-Ngai (U. Hawaii Manoa) 2: The Hawaiian bobtail squid - Vibrio Fischeri association 28:00
Dr. Michele LeRoux (MIT): Pseudomonas aeruginosa survives with a gut reaction using their T6SS 29:12
Julie Huang (Stanford U.): H. pylori finds its home 38:12
Lora Hooper (UT Southwestern) 1: Mammalian gut microbiota: Mammals and their symbiotic gut microbes 34:55
Lora Hooper (UT Southwestern) 2: Mammalian gut microbiota: Maintaining symbiosis in the intestine 31:30
Christine Jacobs-Wagner (Yale, HHMI) 2: DNA segregation & active intracellular transport in bacteria 32:26
Christine Jacobs-Wagner (Yale, HHMI) 1: The role of spatial organization in bacterial cell function 27:15
Jared Leadbetter (Caltech) 1: Termites and Their Symbiotic Gut Microbes 37:08
Ralph Isberg (Tufts U / HHMI) Part 2: Community Behavior of an Extracellular Pathogen 42:57
Ralph Isberg (Tufts U / HHMI) Part 1: What Distinguishes a Pathogen from a Non-Pathogen? 44:12
Norma Andrews (U. Maryland) Part 1: Trypanosoma cruzi and Chagas’ Disease 19:51
Pascale Cossart (Institut Pasteur) Part 3: Cell biology and infection: lessons from Listeria 51:47
Pascale Cossart (Institut Pasteur) Part 1: Bacterial pathogenesis: the Listeria paradigm 23:42
Pascale Cossart (Institut Pasteur) Part 2: Exploring "New Microbiology" with Listeria monocytogenes 27:15
Kristala L. J. Prather (MIT) Part 1: Introduction to Synthetic Biology and Metabolic Engineering 26:12
Kristala L. J. Prather (MIT) Part 2: Teaching an Old Bacterium New Tricks 38:37
Howard Berg (Harvard) Part 1: Marvels of Bacterial Behavior - History & Physics 31:34
Howard Berg (Harvard) Part 2: Marvels of Bacterial Behavior - Molecular Machinery 30:09
Harmit Malik (FHCRC/HHMI) Part 1: Molecular arms races - Host evolution 32:51
Harmit Malik (FHCRC/HHMI) Part 2: Molecular arms races - Viral evolution 22:46
Stephen Harrison (Harvard) Part 1: Virus structures: General principles 49:52
Stephen Harrison (Harvard) Part 2: Viral membrane fusion 32:56
Stephen Harrison (Harvard) Part 3: Non-enveloped virus entry 30:56
Graham Hatfull (University of Pittsburgh/HHMI) Part 1: Bacteriophages: What are they? 23:11
Graham Hatfull (University of Pittsburgh/HHMI) Part 2: Bacteriophages: Genomic insights. 24:23
Graham Hatfull (University of Pittsburgh/HHMI) Part 3: Mycobacteriophage genomics 46:04
Dianne Newman (CalTech) Part 3: Interpreting Molecular Fossils of Oxygenic Photosynthesis 40:22
Dianne Newman (CalTech) Part 2: Microbial Respiration of Arsenate 40:32
Dianne Newman (CalTech) Part 1: An Overview of Microbial Diversity and Evolution 53:44
Lucy Shapiro (Stanford Univ) Part 1: Dynamics of the Bacterial Chromosome 34:33
Lucy Shapiro (Stanford Univ) Part 2: Escalating Infectious Disease Threat 39:38
John McKinney (EPFL) Part 1: Tuberculosis a Persistent Threat 27:33
John McKinney (EPFL) Part 2: Tools for Tuberculosis Control: Not Just a Problem of Implementation 28:18
John McKinney (EPFL) Part 3: Phenotypic Heterogeneity and Antibiotic Tolerance 27:16
John McKinney (EPFL) Part 4: Targeting M. tuberculosis Carbon Metabolism In Vivo 26:12
Stanley Falkow (Stanford University) Part 2: Helicobacter pylori and Gastric Cancer 48:58
Stanley Falkow (Stanford University) Part 1: Human-Pathogen Interaction 37:48
David Roos (U Penn) Part 3C: Designing and mining pathogen genome databases 25:46
David Baltimore (Caltech) Part 1: Introduction to Viruses and HIV 34:34
David Baltimore (Caltech) Part 2: Why Gene Therapy Might be a Reasonable Tool for Attacking HIV 30:36
David Baltimore (Caltech) Part 3: HIV: The Grand Challenge - Engineering Immunity 19:20
Norma Andrews (U. Maryland) Part 1: Trypanosoma cruzi and Chagas' Disease 19:24
Norma Andrews (U. Maryland) Part 2: Leishmania spp and Leishmaniasis 13:36
Norma Andrews (U. Maryland) Part 3: Strategies for Cell Invasion and Intracellular Survival 33:43
Joseph DeRisi (UCSF) Part 1: Malaria: The disease and parasites 21:20
Joseph DeRisi (UCSF) Part 2: Malaria: Research 16:53
Joseph DeRisi (UCSF) Part 3: Malaria: Drug Development 24:14
Bonnie Bassler (Princeton) Part 1: Bacterial Communication via Quorum Sensing 53:48
David Roos (U Penn) Part 3B: Designing and mining pathogen genome databases 27:11
David Roos (U Penn) Part 3A: Designing and mining pathogen genome databases 20:04
David Roos (U Penn) Part 2: The apicomplexan plastid 37:12
David Roos (U Penn) Part 1: Biology of Apicomplexan Parasites 32:06
Bonnie Bassler (Princeton) Part 2: Vibrio Cholerae Quorum Sensing and Novel Antibiotics 19:50
Richard Losick (Harvard) Part 3: Stochasticity and Cell Fate 24:58
Richard Losick (Harvard) Part 2: New Research on Multicellularity 18:14
Richard Losick (Harvard) Part 1: Spore Formation in Bacillus Subtilis 28:58
Don Ganem (Novartis Institutes for Biomedical Research) Part 3: KSHV Latency and KS Pathogenesis 31:42
Don Ganem (Novartis Institutes for Biomedical Research) Part 4: Is KSHV Latency the Whole story? 27:53
Don Ganem (Novartis Institutes for Biomedical Research) Part 2: The Virus 23:44
Don Ganem (Novartis Institutes for Biomedical Research) Part 1: Kaposis Sarcoma: The Disease 23:08
Ari Helenius (ETH Zurich) Part 3: Open Sesame: Cell Entry and Vaccinia Virus 30:26
Ari Helenius (ETH Zurich) Part 2: Endocytosis and Penetration 30:19
Ari Helenius (ETH Zurich) Part 1: Virus entry 40:11
Human Pathogens - Stanley Falkow (Stanford University) 3:43

Superstring Theory by Ashoke Sen & Arnab Rudra

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source: International Centre for Theoretical Sciences 2016年11月10日
Speaker : Ashoke Sen
Venue: Madhava Lecture Hall, ICTS, Bangalore
Date and Time: 19 Oct 2016, 15:00
In these lectures I shall review the construction of superstring field theory. I shall also describe its various applications like addressing infrared divergence problems in superstring perturbation theory and unitarity of the S-matrix of string theory.

Superstring field theory and its applications by Ashoke Sen 1:50:48
Superstring field theory and its applications by Ashoke Sen 1:46:51
Superstring field theory and its applications by Ashoke Sen 1:48:57
Superstring field theory and its applications by Ashoke Sen 1:51:53
Superstring field theory and its applications by Ashoke Sen 1:25:45
Superstring field theory and its applications by Ashoke Sen 2:02:58
Superstring field theory and its applications by Ashoke Sen 2:14:02
Superstring perturbation theory and its low energy expansion by Arnab Rudra 1:52:20
Superstring perturbation theory and its low energy expansion by Arnab Rudra 1:39:57
Superstring perturbation theory and its low energy expansion by Arnab Rudra 1:47:11
Superstring perturbation theory and its low energy expansion by Arnab Rudra 1:49:20
[private video]
[private video]

Higgs Bundles

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source: International Centre for Theoretical Sciences     2016年5月24日
PROGRAM URL : http://www.icts.res.in/program/hb2016
DATES: Monday 21 Mar, 2016 - Friday 01 Apr, 2016
VENUE: Madhava Lecture Hall, ICTS Bangalore
DESCRIPTION:
Higgs bundles arise as solutions to noncompact analog of the Yang-Mills equation. Hitchin showed that irreducible solutions of the GL(2,C) Yang-Mills equation on a compact Riemann surface X are precisely the polystable Higgs vector bundles on X of rank two and degree zero. Subsequently Simpson proved that irreducible solutions of the GL(r,C) Yang-Mills equation on a compact Kaehler manifold X are precisely the polystable Higgs vector bundles on X of rank r and vanishing Chern classes.
Hitchin showed that the moduli spaces of stable Higgs bundles give examples of hyper-Kaehler manifolds and provide examples of completely integrable systems. Simpson proved basic theorems on fundamental group of Kaehler manifolds using the identification of Higgs bundles with the solutions of the Yang-Mills equation.
The moduli space of Higgs bundles is then full of rich geometric structures, but the most interesting part of the story is not just this but the different points of view that one can use for studying this moduli space, which show this object as the precise mathematical context for different physical theories. For instance, the moduli space of SL(2, C)-Higgs bundles was proved by T. Hausel and M. Thaddeus, to be the first non-trivial example for Strominger-Yau-Zaslow formulation of Mirror symmetry (symplectic formulation concerning pairs of Calabi-Yau manifolds) satisfying at the same time the Batyrev-Borisov mirror symmetry definition (which is comprised of a condition on the Hodge numbers of those manifolds).
Higgs bundles play a very central role in the works of G. Laumon, L. Lafforgue and B.C. Ngô in their work on Langlands program (the last two were awarded Field's medal in 2002 and 2010 respectively). The Geometric Langlands Program, in terms of the Monotonen-Olive duality conjecture, states that maximally supersymmetric gauge theory in four dimensions with gauge group G is isomorphic to a similar gauge theory with gauge group being the Langlands dual of G. From the physical viewpoint, the Monotonen-Olive duality can be regarded as a nonabelian generalization of electric magnetic duality. Gukov and Witten interpreted the ramified (or punctured) version of the Geometric Langlands Program in physical terms.
There will be two short courses during the program:
1. Richard Wentworth will lecture on the work of Hitchin-Donaldson-Corlette-Simpson which prove that solutions of the Yang-Mills-Higgs equation are precisely the polystable Higgs bundles with vanishing Chern classes.
2. Laura Schaposnik will lecture on the completely integrable systems given by the moduli spaces of Higgs bundles on a Riemann surface.
Some participants will deliver one lecture each and there will be about 30 talks.
ORGANIZERS: V. Balaji, I. Biswas and A. Parameswaran

Quantum Curves and Gaiotto's Conjecture by Mulase Motohico 1:06:56
Integrable systems and Torelli theorem for parabolic Higgs bundles by Marina Logares 55:55
Projective structures on Riemann surfaces and their monodromy by Subhojoy Gupta 1:03:14
Holomorphic rigid geometric structures on compact manifolds by Sorin Dumitrescu 1:07:05
Higgs bundles, harmonic maps, and applications by Richard Wentworth 1:06:18
Higgs bundles, harmonic maps, and applications by Richard Wentworth 1:05:33
Higgs bundles, harmonic maps, and applications by Richard Wentworth 1:04:11
Hilbert-Kunz Density Function and Hilbert-Kunz Multiplicity by Vijaylaxmi Trivedi 1:00:30
Higgs bundles, harmonic maps, and applications by Richard Wentworth 1:05:30
Higgs bundles, harmonic maps, and applications by Richard Wentworth 1:08:57
Deforming irregular singularities by Jacques Hurtubise 1:02:04
The Weil-Petersson current for moduli of vector bundles and... by Schumacher 59:48
Homotopy of Character Varieties by Sean Lawton 1:07:41
Minimal Surfaces in $CH^2$ and their Higgs Bundles by John Loftin 1:05:35
The Quillen Determinant Bundle and Geometric Quantization of Various Moduli Spaces by Rukmini Dey 38:14
An introduction to spectral data for Higgs bundles.. by Laura Schaposnik 1:03:37
An introduction to spectral data for Higgs bundles.. by Laura Schaposnik 1:06:10
An introduction to spectral data for Higgs bundles.. by Laura Schaposnik 57:16
An introduction to spectral data for Higgs bundles.. by Laura Schaposnik 1:04:36
Stable Representation Theory and Spaces of Flat Connections by Daniel Ramras 43:35
Quantum representations and higher­-rank Prym varieties by Martens Johan 1:08:40
Homology Smale­-Barden manifolds with K­-contact and Sasakian structures by Aleksy Tralle 59:58
Locus of nonvery stable bundles and it's geometry by Sarbeswar Pal 57:19
On the existence of the fundamental group scheme by Marco Antei 1:05:33
Some aspects of open de Rham spaces by Wong, Michael Lennox 1:02:41
Equivariant principal bundle over toric variety by Arijit Dey 1:07:58
Rational cuspidal curves on del-Pezzo surfaces by Ritwik Mukherjee 1:03:26
On the semi­regularity map of Bloch by Ananyo Dan 1:01:06
Moduli of certain Weighted Pointed Rational Curves by Chitrabhanu Chaudhuri 1:01:50

Strings, Particles and Cosmology (The 8th Asian Winter School, ICTS Program)

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source: International Centre for Theoretical Sciences    2014年1月20日
PROGRAM: The 8th Asian Winter School on Strings, Particles and Cosmology
DATES: Thursday 09 Jan, 2014 - Saturday 18 Jan, 2014
VENUE: Blue Lily Hotel, Puri
PROGRAM LINK: http://www.icts.res.in/program/asian8
The 8th Asian Winter School on Strings, Particles and Cosmology is part of a series that is being organized annually in turn by Korea, Japan, China and India. The school will be held in Puri, India, as a program of the International Center For Theoretical Sciences, TIFR.
The school is intended to be an advanced one. While String Theory is the primary focus, it also aims to provide a broader perspective emphasising that String theory is a useful framework for the basic questions of Particle physics and Cosmology and for the study of strongly coupled systems. The school is intended to give young researchers in Asia an opportunity to come together and learn about the latest important developments in the field from leading practioners of the subject. Typically the school is attended by advanced students, post-doctoral fellows and also active workers.

Daniel Baumann - Cosmology for String Theorists 1:15:27
Seok Kim - 6 dimensional superconformal field theories (1) 1:04:39
Leonardo Senatore - Cosmology (1) 45:29
Daniel Baumann - Inflation in Effective Field Theory 1:06:18
Seok Kim - 6 dimensional superconformal field theories (2) 1:12:36
Leonardo Senatore - Cosmology (2) 1:24:32
Daniel Baumann - Inflation in Effective Field Theory 1:08:11
Seok Kim - 6 dimensional superconformal field theories (3) 1:15:23
Leonardo Senatore - Cosmology (3) 1:15:10
Spenta Wadia - Fermion-Boson Duality in 2+1 dim. large N Gauge Theories (1) 1:05:51
John Ellis - The Standard Model & Beyond (1) 1:11:50
Spenta Wadia - Fermion-Boson Duality in 2+1 dim. large N Gauge Theories (2) 1:04:43
Subir Sachdev - Quantum phase transitions in condensed matter (1) 1:08:51
Subir Sachdev - Quantum phase transitions in condensed matter (2) 20:08
John Ellis - The Standard Model & Beyond (2) 1:20:19
Spenta Wadia - Fermion-Boson Duality in 2+1 dim. large N Gauge Theories (3) 1:07:07
Subir Sachdev - Quantum phase transitions in condensed matter (3) 1:11:00
John Ellis - The Standard Model & Beyond (3) 1:24:57
Ashoke Sen - Some issues in string perturbation theory (1) 1:39:32
Subir Sachdev - Quantum phase transitions in condensed matter (4) 2:00:56
Suvrat Raju - Local operators, black hole interiors and the information paradox in AdS CFT (1) 1:17:06
Ashoke Sen - Some issues in string perturbation theory (2) 1:16:33
Tadashi Takayanagi - Quantum Entanglement and Holography (1) 1:17:06
Rajesh Gopakumar - Higher Spin Theories on AdS 3 and their CFT duals (1) 1:16:11
Gautam Mandal - Introduction to Hawking radiation (1) 1:12:02
Rajesh Gopakumar - Higher Spin Theories on AdS 3 and their CFT duals (2) 1:09:14
Gautam Mandal - Introduction to Hawking radiation (2) 1:08:57
Suvrat Raju - Local operators, black hole interiors and the information paradox in AdS CFT (2) 1:18:07
Ashoke Sen - Some issues in string perturbation theory (3) 1:11:29
Tadashi Takayanagi - Quantum Entanglement and Holography (2) 1:12:18
Rajesh Gopakumar - Higher Spin Theories on AdS 3 and their CFT duals (3) 1:15:47
Tadashi Takayanagi - Quantum Entanglement and Holography (3) 1:13:55
Gautam Mandal - Introduction to Hawking radiation (3) 1:16:01
Suvrat Raju - Local operators, black hole interiors and the information paradox in AdS CFT (3) 1:12:32

Can you solve the three gods riddle? - Alex Gendler


source: TED-Ed     2017年2月21日
View full lesson: http://ed.ted.com/lessons/can-you-sol...
You and your team have crash-landed on an ancient planet. Can you appease the three alien overlords who rule it and get your team safely home? Created by logician Raymond Smullyan, and popularized by his colleague George Boolos, this riddle has been called the hardest logic puzzle ever. Alex Gendler shows how to solve it.
Lesson by Alex Gendler, animation by Artrake Studio.

Medical Diagnostics by Amit Bhattacharya (University of Delhi)

# click the upper-left icon to select videos from the playlist

source: Cec Ugc    2016年5月17日

Tuberculosis and Poliomyelitis 54:46
Dengue and Chikungunya 1:00:01
Malaria 1:00:09
Leishmaniasis and Lymphatic Filariasis 57:51
Hepatitis 57:28
Measles, Mumps, Rubella, and AIDS 58:41
Diagnostic Techniques - I 57:46
Anaemia 52:30

(हिन्दी / in Hindi) Learn Sanskrit : Be Modern ! by Baldevanand Sagar

# playlist of the 20 videos (click the upper-left icon of the video)

source: Cec Ugc     2016年1月14日

Learn Sanskrit : Be Modern ! - I 59:04 This is the first lecture in this series where with the help of Sanskrit shloks usage of different words in day today life is explained in detail. As well as general grammar with practical knowledge is implied here.
Objectives:
1.To learn basic Sanskrit language.
2.To improve spoken and written Sanskrit.
Learn Sanskrit : Be Modern ! - II 58:03
Learn Sanskrit : Be Modern - III 58:20
Learn Sanskrit : Be Modern -IV 59:33
Learn Sanskrit : Be Modern -VI 58:08
Learn Sanskrit : Be Modern -V 54:03
Learn Sanskrit : Be Modern -VII 59:49
Learn Sanskrit : Be Modern -VIII 55:12
Learn Sanskrit : Be Modern -IX 42:34
Learn Sanskrit : Be Modern -X 55:39
Learn Sanskrit Be Modern Part- XI 56:27
Learn Sanskrit Be Modern - XII 59:47
Learn Sanskrit be Modern - XIII 58:24
Learn Sanskrit Be Modern - X IV 1:00:39
Learn Sanskrit Be Modern - XVI 57:53
Learn Sanskrit : Be Modern - XVII 59:23
Learn Sanskrit : Be Modern - XV 59:21
Learn Sanskrit : Be modern- XVIII 59:46
Learn Sanskrit be Modern ! - XIX 58:25
Learn Sanskrit be Modern ! - XX 59:38

(בעברית / in Hebrew) פיסיקה קוונטית1 - פרופ' אריק אקרמן (Quantum Physics 1)

# playlist of the 51 videos (click the upper-left icon of the video)

source: Technion    2011年1月23日
פיסיקה קוונטית 1 -
מרצה: פרופ' אריק אקרמן
פקולטה : פיסיקה
מס. קורס: 115203
Quantum Physics 1

(בעברית / in Hebrew) מבוא לתורת החבורות (Introduction to Group Theory)

# playlist of the 27 videos (click the upper-left icon of the video)

source: Technion     2013年1月24日
מבוא לתורת החבורות
מרצה: פרופ' דוד צילג ז"ל
מס' קורס 104172
פקולטה: מתמטיקה

Indian Statistical Physics Community Meeting 2016 (ICTS Bangalore)

# click the upper-left icon to select videos from the playlist

source: International Centre for Theoretical Sciences    2016年3月9日
URL: https://www.icts.res.in/discussion_me...
DATES Friday 12 Feb, 2016 - Sunday 14 Feb, 2016
VENUE Ramanujan Lecture Hall, ICTS Bangalore
This is an annual discussion meeting of the Indian statistical physics community which is attended by scientists, postdoctoral fellows, and graduate students, from across the country, working in the broad area of statistical physics.
This meeting will cover all the 8 Topics covered at STATPHYS meetings, namely:
1) General and mathematical aspects
rigorous results, exact solutions, probability theory, stochastic field theory, phase transitions and critical phenomena at equilibrium, information theory, optimization, etc.
2) Out-of-equilibrium aspects
driven systems, transport theory, relaxation and response dynamics, random processes, anomalous diffusion, fluctuation theorems, large deviations, out-of-equilibrium phase transitions, etc.
3) Quantum fluids and condensed matter
strongly correlated electrons, cold atoms, graphene, mesoscopic quantum phenomena, fractional quantum Hall effect, low dimensional quantum field theory, quantum phase transitions, quantum information, entanglement, Lüttinger liquid, spin liquid, etc.
4) Disordered and glassy systems
percolation, spin glasses, structural glasses, metallic glasses, jamming, glass transition, algorithmic problems, etc.
5) Biological physics
molecular motors, single and multicellular dynamics, bacteria, swimmers, spatio-temporal organization, biological membranes, biopolymer folding, genomics, biological networks, evolution models, evolutionary game theory, etc.
6) Soft matter
simple and complex fluids, active matter, molecular and ionic fluids,wetting, self-assembly, polymers, gels, liquid crystals, microemulsions, foams, membranes, colloids, granular materials, etc.
7) Nonlinear physics
dynamical systems, chaos (classical and quantum), pattern formation, chemical reactions, hydrodynamic instabilities, turbulence (classical and quantum), etc.
8) Interdisciplinary and complex systems
networks and graphs, epidemics, econophysics, social phenomena, traffic flow, ecology, etc.

Continuously Varying Critical Exponents Beyond Weak Universality by Pradeep Kumar Mohanty  17:28
Universality of efficiency at maximum work with finite reservoirs by Ramandeep S. Johal 13:33
Quantum Simulation of Majorana Fermion Mode , Dirac Fermion Mode... by Sujit Sarkar 14:50
Open quantum systems: a comparision between Redfield and Lindblad master equations by Abhishek Dhar 17:03
Correlations and fluctuations in RAP with a driven tracer by Anupam Kundu 16:08
Fluctuation-dominated Phase Ordering: Order Parameter Scaling By Mustansir Barma 19:00
Poster Flash Talks 29:28
[private video]
Stochastic resonance and ratchet effect in sinusoidal... by Mangal Chandra Mahato 17:12
Symmetric exclusion processes on a ring with moving defects by Punyabrata Pradhan 15:29
Dynamical transition in the temporal relaxation of stochastic by Sanjib Sabhapandit
Diffusion with stochastic power-law resetting by Apoorva Nagar 13:18
Explorations of the statistical properties of particles in turbulent flows by Rahul Pandit 12:33
Intermittency in Turbulence: Time to look at Fourier space? By Samriddhi Sankar Ray 16:26
Periodically driven closed quantum systems: periodic steady state By Amit Dutta 19:13
Separating many-body localized phase from Anderson localized phase... by Dibyendu Roy 16:42
Placing the dilute magnetic semiconductors on the Zaanen-Sawatzky-Allen... by Priya Mahadevan 14:18
Lyapunov Spectral Analysis of Coupled Oscillators By Anandamohan Ghosh 15:58
Interacting Chaotic Systems: Universality in Spectral-Fluctuation By Shashi C. L. Srivastava 16:18
Leaky Fermi Accelerators By Kushal Shah 15:03
A finite-time exponent for the random Ehrenfest gas By Sudhir R. Jain 17:13
Uncovering universality in the entanglement of strongly chaotic subsystems by Arul Lakshminarayan 19:58
Transdifferentiation and oscillatory states in gene regulatory networks by Mithun Kumar Mitra 18:10
Critical dynamics of the jamming transition by Kavita Jain 14:13
Random walks and extreme events on networks by M. S. Santhanam 14:48
Networks of agents with preferred degree by Deepak Dhar 15:41
[private video]
Kinetics of Vapor-Solid Phase Transition by Subir K. Das 16:58
Microscopic Origin of Temporal Heterogeneities in Translational Dynamics... by Biswaroop Mukherjee 14:42
Analytical form of forces in hydrophobic collapse by Jaydeb Chakrabarti 17:05
Molecular mechanism of water permeation in a helium impermeable... by Prabal K Maiti 14:17
Extended-collapsed transition in charged polymers: Origin of attractive forces by Rajesh Ravindran 14:34
Effects of dissolved ions on spatial and temporal correlations of liquid water by Vani Vemparala 16:56
Continuum "xy- model" on deformable surfaces: equilibrium... by Yashodhan Hatwalne 16:19
Satya Majumdar 16:07
[private video]
Dynamics of entanglement generation in driven integrable systems by Arnab Sen 16:30
Conservative perturbation theory for nonconservative systems By Sagar Chakraborty 15:28
Mode-hopping in entrained biological oscillator by Sandeep Krishna 16:22
Growing length scale in the short-time dynamics of glass-forming liquids by 5 Chandan Dasgupta 16:37
Onset of flow in glasses under applied shear by Pinaki Chaudhur 13:55
Structure and Forces in Shear Jammed Sphere Packings by Srikanth Sastry 17:18
Asymptotic properties of Kalman filter by Amit Apte 16:40
Is there a discontinuous transition underlying the growth and shrinkage..... by Dibyendu Das 15:11
Force generation by polymerizing filaments by Manoj Gopalakrishnan 16:57
Actin filaments growing against a barrier with fluctuating shape by Sakuntala Chatterjee 17:39
Scale Invariance in Biological Patterns by Vijaykumar Krishnamurthy 17:35
Periodically driven DNA: Theory and simulation by Sanjay Kumar 15:58
Anomalous conductance fluctuations in electrically stressed bilayer graphene by Arindam Ghosh 14:21
Generalized Fluctuation Theorem for Dissipative Cyclotron Motion...... by Sushanta Dattagupta 19:32
Multicritical melting of three-sublattice order in frustrated easy-axis ...... by Kedar Damle 11:15
Quantum critical Mott transitions in a bilayer Kondo insulator.....by N. S. Vidhyadhiraja 11:37
Obtaining Quantum spin liquid by gauging Deconfined quantum criticality by Subhro Bhattacharjee 18:00
Boosted one dimensional superfluids by Subroto Mukerjee 16:58
Protein Collapse and Folding by Govardhan Reddy 17:45
Counting RNA Structures by Nivedita Deo 18:13
Bacterial Twitching Motility in presence of obstacles. by Rahul Marathe 20:18
Catch bond mechanism in Dynein motor driven collective transport by Sudipto Muhuri 15:45
Full Current Statistics for a Disordered Open Exclusion Process by Arvind Ayyer 16:50

Particles, Gravity and Strings

# click the upper-left icon to select videos from the playlist

source: International Centre for Theoretical Sciences    2015年7月3日
https://strings2015.icts.res.in/publi...
The Public Outreach Event is scheduled on 27th June 2015. The morning interactive session with students will include talks by: Nima Arkani-Hamed, Institute for Advanced Study, Princeton Ashoke Sen, Harish-Chandra Research Institute, Allahabad
The afternoon session will include public lectures by: Nathan Seiberg, Institute for Advanced Study, Princeton Andrew Strominger, Harvard University, USA Cumrun Vafa, Harvard University, USA.

Calculate + Observe: Fundamental Physics in the 21st Century: Nima Arkani-Hamed 31:17
What is String Theory? Ashoke Sen 1:34:00
The Frontiers of Fundamental Physics: Nathan Seiberg 1:03:11
The Edges of the Universe: Black Holes, Horizons and Strings: Andrew Strominger 58:24
Physics and Geometry: Cumrun Vafa 43:50

Photographing our Galaxy’s Black Hole | CfA


source: Harvard University     2017年1月25日
A black hole is so dense that not even light can escape it. So we can’t possibly photograph one, can we? Yes, we can. More accurately, we can observe its silhouette or shadow against the glowing disk of material it’s swallowing. The Event Horizon Telescope will unite facilities around the globe to form an Earth-sized telescope. With it, we will get our first detailed look at the giant black hole at the center of the Milky Way. And we will put Einstein’s theory to the ultimate test. Speaker Michael Johnson is an astrophysicist at the Harvard-Smithsonian Center for Astrophysics (CfA).

Eric Klinenberg: "The Sociology of Connection" | Talks at Google


source: Talks at Google    2017年1月26日
Eric leads us through some of the research that underpins his two recent books, "Modern Romance" and "Going Solo."
Eric Klinenberg is professor of sociology and director of the Institute for Public Knowledge at New York University, as well as research director of the federal government’s Rebuild by Design competition. He is the author of Going Solo: The Extraordinary Rise and Surprising Appeal of Living Alone (Penguin, 2013), Fighting for Air (Holt, 2008), Heat Wave: A Social Autopsy of Disaster in Chicago (Chicago, 2nd ed., 2015), and, with Aziz Ansari, of Modern Romance (Penguin, 2015). He is also the editor of Climate Change and the Future of Cities (Duke, 2016)."
You can find more at http://www.ericklinenberg.com/

A Field Guide to Lies | Daniel Levitin


source: The RSA     2017年1月26日
We are bombarded with more information each day than our brains can process. It’s raining bad data, half-truths, and even outright lies in amongst the facts. But how can we know if we are being sold mistruths? Neuroscientist and New York Times bestselling author Daniel J. Levitin visits the RSA to help us sort the wheat from the digital chaff. We may expect newspapers, bloggers, the government, and Wikipedia to be factually and logically correct, but they so often aren’t. We need to think critically about the words and numbers we encounter if we want to be successful at work, at play, and in making the most of our lives. This means checking the plausibility and reasoning—not passively accepting information, repeating it, and making decisions based on it.
Follow the RSA on Twitter: https://twitter.com/RSAEvents
Like RSA Events on Facebook: https://www.facebook.com/RSAEventsoff...
Listen to RSA podcasts: https://soundcloud.com/the_rsa
See RSA Events behind the scenes: https://instagram.com/rsa_events/

Unstructured proteins: cellular complexity and human diseases (by Dr Madan Babu Mohan, Francis Crick Prize Lecture 2016)


source: The Royal Society     2017年1月4日
Unstructured proteins: cellular complexity and human diseases
If DNA is the blueprint of life, proteins are the building blocks. Research over the last century has shown that the shapes adopted by proteins determine their functions. Mutations that affect their shapes cause human diseases. However in recent decades, scientists have discovered that a large number of proteins do not adopt defined shapes. Nevertheless, these unstructured proteins perform functions that are critical for the survival of organisms.
In his talk Dr Mohan explores how unstructured proteins perform their functions, contribute to cellular complexity and cause human diseases including cancer and neurodegeneration.
The lecture was recorded on December 7 2016 at the Royal Society. For more events like this, see our schedule - http://ow.ly/KhTi306gTN1

Searle on Explanation & Science


source: Philosophical Overdose    2017年1月25日
Random lecture on explanation in science from one of John Searle's courses on the philosophy of society.

How Foods Tasted in the Early Modern Period and How They Taste Now


source: SchAdvStudy     2012年5月25日
22-05-12 School of Advanced Study
http://www.sas.ac.uk/
http://events.sas.ac.uk/support-resea...
ST Lee Visiting Professorial Fellow Lecture: Changing Tastes: How Foods Tasted in the Early Modern Period and How They Taste Now
Speaker: Professor Steven Shapin, ST Lee Visiting Professorial Fellow, 2011/12, Franklin L. Ford Professor of the History of Science, Harvard University
In dietetic and natural philosophical frameworks of the period from Antiquity to the seventeenth century, the subjective experiences of taste, and indeed the experiences of digestion, testified to the make-up of the world's edible portions. That is, such subjective experiences might be both philosophically and practically reliable. How did that framework help early modern eaters make sense of their bodies and that portion of the world that constituted their aliment? How did that sense-making capacity change over time, as new medical and scientific frameworks emerged from the eighteenth century and, finally, became scientifically dominant in the nineteenth and twentieth centuries? What happened to the subjective experiences of taste when they no longer indexed how the world really is? How has the vocabulary used to describe taste changed? And how do we now know about the edible world?
Steven Shapin is Franklin L. Ford Professor of the History of Science, joining Harvard in 2004 after previous appointments as Professor of Sociology at the University of California, San Diego, and at the Science Studies Unit, Edinburgh University. His books include Leviathan and the Air-Pump: Hobbes, Boyle, and the Experimental Life (with Simon Schaffer); A Social History of Truth: Civility and Science in Seventeenth-Century England; The Scientific Revolution; The Scientific Life: A Moral History of a Late Modern Vocation;
Never Pure: Historical Studies of Science as if It Was Produced by People with Bodies, Situated in Time, Space, Culture and Society, and Struggling for Credibility and Authority, and several edited books. He has published widely in the historical sociology of scientific knowledge, and his current research interests include historical and contemporary studies of dietetics, the changing languages and practices of taste, the nature of entrepreneurial science, and modern relations between academia and industry. He writes regularly for the London Review of Books and has written for The New Yorker.

Why Cosmic Fine-Tuning Demands Explanation (Closer to Truth)

source: Closer To Truth
The universe works for us because deep physical laws seem to work. But if the values of these laws would much change, in either direction, then all we see and know could not exist. No galaxies. No ...
6:00 Martin Rees - Why Cosmic Fine-Tuning Demands Explanation
7:12 Brian Josephson - Why Cosmic Fine-Tuning Demands 
3:13 Rodney Holder - Why Cosmic Fine-Tuning Demands Explanation