Sunday, March 5, 2017
Why are we bipedal and have tiny invisible tails?
I’m sure that question must have occurred to you, as it once did do me. I had a pretty good idea of the answer, and no longer thought much about it, until I read what you can read below. Our ancestors were quadrupeds for many hundreds of millions of years, and only about 7 million years ago began to... Sign in
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