The history of actual Hobbit humans is like a page out of a J.R.R. Tolkien novel.
Is there an evolutionary reason why we seem to prefer a nice hot meal to something cold? Why, yes, there is! And it has to do with the birth of fire, and the energy boost we got from cooking our food.
Our teeth contain the hardest mineral in the human body -- enamel. What is it, why is it so tough, and how did we get it? A fierce mini-predator from the long-ago deep may hold the answer that last question.
Our earliest ancestors were more like a slow furry loris than an imposing King Kong, suggests a new primate fossil found in Spain.
Red meat may cause cancer, a study reported this week. But didn’t we evolve to eat it?
What's not fun about being able to hear? Good music, good conversation, the din of construction near your house. OK, maybe not that last one. But overall hearing's pretty great. How did we develop it?
Our ancestors slept about as many hours a night as we do, though their sleep quality was likely better.
Our ancestors apparently had a lot to say 2 million years ago, even if they said it quietly.
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