"You exist in this galaxy, you exist around this star, you exist on this planet, you are a member of this species — and all of these are part of knowing what you are." - David Christian

"You exist in this galaxy, you exist around this star, you exist on this planet, you are a member of this species — and all of these are part of knowing what you are." - David Christian iStockphoto hide caption

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iStockphoto
"You exist in this galaxy, you exist around this star, you exist on this planet, you are a member of this species — and all of these are part of knowing what you are." - David Christian

"You exist in this galaxy, you exist around this star, you exist on this planet, you are a member of this species — and all of these are part of knowing what you are." - David Christian

iStockphoto

How It All Began

In this hour, TED speakers explore our origins as a species — who we are, where we come from, where we're headed — and how we're connected to everything that came before us.

"It's a story that, in one sense, makes us feel very small and very little." - David Christian James Duncan Davidson / TED/TED hide caption

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James Duncan Davidson / TED/TED

What Are The Origins Of The Universe?

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"Even as a paleontologist, I imagine them fighting, I imagine them roaming around; they still fuel my imagination." - Jack Horner James Duncan Davidson/TED hide caption

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James Duncan Davidson/TED

Why Do We Continue To Care About Dinosaurs?

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"Who are we? That is the big question. And essentially we are just an upright-walking, big-brained, super-intelligent ape." - Louise Leakey Courtesy of TED hide caption

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Courtesy of TED

Where Did Human Beings Originate?

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"When did we originate as a species? How long have we been divergent from each other?" - Spencer Wells Andrew Heavens/TED hide caption

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Andrew Heavens/TED

Why Did Humans Migrate Out Of Africa?

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"We have a whole lot of power over what lives or dies on this planet and we have to think very carefully about what that means and how we're using it." -Juan Enriqez James Duncan Davidson/TED hide caption

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James Duncan Davidson/TED

Are We Evolving Into A Different Species?

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