Researchers at Karolinska Institutet have identified three types of nerve cells connected to the intestinal villi, suggesting ...

The brain is a unique place. It is shielded from much of the body by the blood-brain barrier, meaning it's protected from ...

Some people can't form mental images. Here's what scientists are learning about the condition known as aphantasia—and why ...

Ever solve problems while half-asleep? Discover how history's greatest minds—from Einstein to McCartney—unlocked breakthrough ...

You feel like you have the flu, but you’re not getting better Fever, chills, muscle aches and sleepiness are all classic ...