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The evolution of the human eye – Joshua Harvey

The evolution of the human eye – Joshua Harvey

The human eye is an amazing mechanism, able to detect anywhere from a few photons to direct sunlight, or switch focus from the screen in front of you to the distant horizon in a third of a second. In fact, the structures required for such incredible flexibility were once considered so complex that Charles Darwin …


Why Are There Still Monkeys? – 12 Days of Evolution #10

Why Are There Still Monkeys? – 12 Days of Evolution #10

[MUSIC] [BIRD CHIRP] If humans evolved from monkeys, then why are there still monkeys? There’s many things wrong with this question, like the fact we’re more closely related to apes than monkeys. Okay, so why are there still apes? Asking why there are still apes is like saying, if some Americans and Australians came from …


Ecological Succession: Nature’s Great Grit

Ecological Succession: Nature’s Great Grit

Captioning is on! To turn off, click the CC button at bottom right. Follow the amoebas on Twitter (@amoebasisters) and Facebook! We love Disney movies and we have to say—Lion King is one of our favorites. And like a lot of Disney movies, it has a happy ending. We’re not going to give spoilers just …


TEDxBerkeley – Maria Fadiman – Finding Balance: People, Plants, and Culture in the Amazon

Translator: Tanya Cushman Reviewer: Peter van de Ven Hiyah! Whack whack whack whack whack. Whack whack whack. Whack whack whack. Ahh. Yeah. (Laughter) So people say, “What do you do for a living?” And I say, “Well, you know, I’m an ethnobotanist.” And they say, “Oh, that’s cool. You’re a … you’re a what?” So …


Can Evolution Make an Eye? – 12 Days of Evolution #4

Can Evolution Make an Eye? – 12 Days of Evolution #4

[MUSIC] [BIRD CHIRP] Your eyes are beautiful. They’re amazing bits of biological engineering. Just like a camera, remove one of their intricate parts, and the eye can’t do its job. For this reason, many people think eyes couldn’t possibly arise from a blind process like natural selection. But that idea doesn’t hold vitreous fluid. Light-sensitive …


Have We Ever Seen Evolution Happen? – 12 Days of Evolution #3

Have We Ever Seen Evolution Happen? – 12 Days of Evolution #3

[MUSIC] [BIRD CHIRP] Male crickets love to sing. But on the Hawaiian island of Kauai, that singing comes with a price. Several years ago, a parasitic fly arrived on the island. Those flies listen for crickets’ chirping wings, lay eggs inside them, and the crickets are devoured from within. Thanks to these flies, Kauai’s crickets …



Artificial Selection – Baba Brinkman – Rap Guide to Evolution Music Videos

Artificial Selection – Baba Brinkman – Rap Guide to Evolution Music Videos

yeah Charles Darwin Hah yeah Artificial selection Hah Yeah Let’s get domestic Artificial selection, it starts with a question How did people ever get cows, chickens and pigs And other animals and plants to act so domestic? We took them from the wild and we bred them, brethren Welcome to the Charles Darwin Bicentennial So, …


Can You Survive In A Black Hole?!  DEBUNKED

Can You Survive In A Black Hole?! DEBUNKED

Except for an extremely small number of lucky astronauts or the billionaire customers of Elon Musk, most of us won’t get the chance to escape Earth. But even though we’re stuck down here, everyone knows there are certain things you want to avoid up there. Don’t get blown out of an airlock, never vomit inside …


How The Human Eye Evolved To Be So Complex

Eyes are really weird when you think about them. They’re like little gel filled sacks sticking out of our faces. They take all these wavelengths of light and somehow make pictures out of them. But how did they evolve to be like that? Hey seers Julia here for DNews Eyes are extraordinarily complex. And the …

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