Watching a snake poop may not be everyone’s idea of fun, but it can tell us a lot about snake digestion, which is a fascinating subject. In this extraordinary Instagram post, a snake is taking a poop, ...

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 is my poop brown? – Ethan J., age 9, Potomac ...

Scientists are using isotopes to answer a surprising variety of questions about the world, according to University of Cincinnati Professor Brooke Crowley. Isotopes are different forms of the same ...