Do you like drinking milk or chatting with your friends? Well, you can enjoy those because of the evolution happened over the past million years, and we are still evolving. Let's find out what...
========== Evolution has given us some useful abilities. Over the past millions of years, we’ve evolved
to stand on two legs, use tools, and develop language. And as recently as a few thousand years ago,
humans were still evolving. Part of what drives evolution is natural selection
— where those with traits that make them better adapted to their environment tend to
survive long enough to pass on those traits to their offspring. Modern medicine can sometimes interfere with
that process, since it keeps people alive who maybe otherwise wouldn’t be. But that doesn’t mean humans are done evolving. One recent example of human evolution is the
fact that 35% of adult humans can digest milk. 7,000 years ago, not nearly as many people
could to do that. Instead, mai...