When to use apostrophes - Laura McClure

source: TED-Ed      2015年7月27日
View full lesson: http://ed.ted.com/lessons/when-to-use...
It’s possessive. It’s often followed by S’s. And it’s sometimes tricky when it comes to its usage. It’s the apostrophe. Laura McClure gives a refresher on when to use apostrophes in writing.
Lesson by Laura McClure, animation by Karrot Animation.

100% Organic Idea Channel Episode | Idea Channel | PBS Digital Studios

source: PBS Idea Channel       2015年7月22日
The Organic Feels!
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The "Organic Movement" has become nothing short of MASSIVE in recent years, from whole foods to "raw diets", its popularity is endless. But how good is organic for you? Or a better question: how BAD is NON-organic food for you? On this week's episode of Idea Channel, Mike looks to answer just why are we so obsessed with "organic"!?