The majority of the human genome evolved about 500 million years ago

One of the hallmarks of human evolution, aside from our bipedalism and extraordinarily large brains, are our forelimbs... especially the famed prehensile thumb. Our forelimbs, or arms, are extremely flexible compared to a quadruped. For example, because of the shallowness of the ball and socket joint that connects our humerus to our scapula, our arms... Continue Reading →

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