Keeper Patrick with Ilingwezi, five week old orphan African Elephant (Loxodonta africana) David Sheldrick Wildlife Trust, Tsavo East National Park, Kenya. Photograph by Gerry Ellis, National Geographic.
In keeping with the theme of professor Stephen Hawking asks some Big Questions about our universe -- How did the universe begin? How did life begin? -- and discusses how we might go about answering them. Talk by Stephen Hawking.
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