What Darwin Never Knew (NOVA)

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Broadcast (2010) Earth teems with a staggering variety of animals, including 9,000 kinds of birds, 28,000 types of fish and more than 350,000 species of beetles. What explains this explosion of living creatures, 1.4 million different species discovered so far, with perhaps another 50 million to go? The source of life's endless forms was a mystery until Charles Darwin's revolutionary idea of natural selection, which he showed could help explain the gradual development of life on Earth. But Darwin's radical insights raised as many questions as they answered. What actually drives evolution and turns one species into another? And how did we evolve?

On the 150th anniversary of Darwin's "On the Origin of Species," NOVA reveals answers to the riddles that Darwin couldn't explain. Breakthroughs in a brand new science nicknamed "evo devo" are linking the enigma of origins to another of nature's great mysteries, the development of an embryo. NOVA takes viewers on a journey from the Galapagos Islands to the Arctic and from the Cambrian explosion of animal forms half a billion years ago to the research labs of today. Here scientists are finally beginning to crack nature's biggest secrets at the genetic level. And, as "NOVA" shows, the results are confirming the brilliance of Darwin's insights while exposing clues to life's breathtaking diversity.

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[ndyt]

Darwin's idea was not evolution, it was natural selection. Why does everyone get that wrong? Evolution was already known. They just didn't know what guided it. Some thought natural selection but couldn't prove it. Darwin did.

[JoeyCMarchio]

Thank you for the upload :)

[XxSporeAndWebkinzxX]

@udirai Heehee XD

[udirai]

@XxSporeAndWebkinzxX may be its a leopard on dieting/hunger strike.....lol ;}

[hihihidddd]

@ndyt Hey at least you don't have to deal with idiots who think Darwin thought Evolution is building "better, stronger, smarter" creatures. Or created Social Darwinism.

[venialsin11]

@jhallberg702 imposter

[jhallberg702]

@venialsin11 I am religious person, yet fully except Darwin's theory of Natural Selection and the modern theory of evolution. It is people like you who give people like me a bad name, encouraging the picture of closed mindedness and an inability to accept what is right in-front of your face. Why is it so hard not to see the pure improbability of a chain of events taking place that would result in a life supporting planet, let alone intelligent life, proof of my belief, not a contradiction?

[SirChocolateHobo]

Why and how does this mutation seem to benefit these creatures in their environments? How does that switch end up being hit ? Also, why do these mutations continue to happen? Also, shouldn't there be evidence in our lifetime of mutations taking place?

[XxSporeAndWebkinzxX]

45:51 That's a Cheetah not a Leopard. Lol

[Nullifidian]

@ndyt They didn't know about evolution. To say they knew about it implies that they had substantial basis in evidence or reasoning for believing that it occurred. They never did.

Darwin amassed substantial evidence for evolution and presented it in the penultimate four chapters of Origin, which convinced many of his contemporaries to accept evolution. It wasn't until the Modern Synthesis that scientists widely accepted natural selection and it took even longer to accept sexual selection.

[ndyt]

@Nullifidian, even the greeks knew about evolution.