"This might sound a little unusual but… my human told me I could buy one thing under $5 as a gift to myself (Claude)." The ...

Most people trust scientists to test new ideas on animals or in controlled labs. But some researchers decided that the best test subjects were themselves. These scientists put their own bodies at risk ...

(via Cleo Abram) In the middle of the desert, miles from any city, are two HUGE concrete tubes. They’re part of a giant machine running the most precise experiment humans have ever built… ...

Can you measure the weight of a human soul? No, but that didn’t stop Duncan MacDougall from trying. In the early 20th century ...