Why are human bodies asymmetrical? - Leo Q. Wan

source: TED-Ed     2016年1月25日
View full lesson: http://ed.ted.com/lessons/why-are-hum...
Symmetry is everywhere in nature. And we usually associate it with beauty: a perfectly shaped leaf or a butterfly with intricate patterns mirrored on each wing. But it turns out that asymmetry is pretty important, too — and more common than you might think. Leo Q. Wan takes us into the human body to show how biological asymmetry can be quite beautiful.
Lesson by Leo Q. Wan, animation by Echo Bridge Pictures.