One of my favorite activities is going to the zoo where I live in Knoxville when it first opens and the animals are most active. On one recent weekend, I headed to the chimpanzees first. Their ...

A biological anthropologist explains why humans can't wiggle their toes in the same way they can wiggle their fingers. When you purchase through links on our site, we may earn an affiliate commission.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why can’t I wiggle my toes individually, like I ...