Jonathan Drori: The beautiful tricks of flowers
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Uploaded by TEDtalksDirector on Jul 6, 2011
http://www.ted.com In this visually dazzling talk, Jonathan Drori shows the extraordinary ways flowering plants -- over a quarter million species -- have evolved to attract insects to spread their pollen: growing 'landing-strips' to guide the insects in, shining in ultraviolet, building elaborate traps, and even mimicking other insects in heat.
TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes. Featured speakers have included Al Gore on climate change, Philippe Starck on design, Jill Bolte Taylor on observing her own stroke, Nicholas Negroponte on One Laptop per Child, Jane Goodall on chimpanzees, Bill Gates on malaria and mosquitoes, Pattie Maes on the "Sixth Sense" wearable tech, and "Lost" producer JJ Abrams on the allure of mystery. TED stands for Technology, Entertainment, Design, and TEDTalks cover these topics as well as science, business, development and the arts. Closed captions and translated subtitles in a variety of languages are now available on TED.com, at http://www.ted.com/translate.
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@1234tombaker "How do flowers mimick what the insects look like? If they don't have eyes ..."
How would eyes help as they don't have minds?
Random mutations provide variation in the look of the flowers and the ones that happen to look like an insect get pollenated and reproduce. Over time they start to look more and more like insects. So the answer is natural selection. (Which is a non-random process.)
The flowers have no clue that they look like insects.
doGoNsIylbaborPerehT 7 months ago 43
I really like this guys passion. You can tell he's overcoming nerves in this talk.
The hidden ultraviolet flower patterns were pretty damn awesome, I'd love to see more of those!
TrueMiszou 7 months ago 31