How long is your small intestine? With a few items from around the house, you can learn the science behind your small intestine. Use the yardstick to measure and cut 23 feet of yarn or rope. The yarn ...

This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...

When it comes to intestines, it sure seems like two are better than one. I asked my friend Franck Carbonero why that is. He’s a microbiologist at Washington State University. He studies the bacteria ...