How does a jellyfish sting? - Neosha S Kashef

source: TED-Ed     2015年8月10日
View full lesson: http://ed.ted.com/lessons/how-does-a-...
You’re swimming in the ocean when something brushes your leg. When the tingling sets in, you realize you’ve been stung by a jellyfish. How do these beautiful gelatinous creatures pack such a painful punch? Neosha S Kashef details the science behind the sting.
Lesson by Neosha S Kashef, animation by Cinematic.