Why Do Penguins Wear Tuxedos?
10,000 Birds
SEPTEMBER 15, 2011
However, we now know that human ancestors became upright first, and were bipedal for millions of years before they started to use tools extensively, and then another million years went by before their brains started to evolve a significantly larger size. Salas-Gismondi, R., Altamirano, A., Shawkey, M., D’Alba, L., Vinther, J.,
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