Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Why do humans put holes in our heads? It’s a question 7,000 years ...

Why do humans put holes in our heads? It’s a question 7,000 years in the making. With the help of a googly-eyed watermelon named Joe Melon, Popular Science host Kevin Lieber tries to find an answer ...

The most remarkable thing I ever witnessed was this: a woman sitting on the ground under a tree, her father and husband behind her. Another man cleans a razor blade and several homemade metal ...