Brain research

A comparison of two memory training methods often used by scientists found that one was twice as good as the other. But neither succeeded in turning people into cognitive superstars.

For centuries, scientists thought the human brain had no direct connection to the body's immune system. Now researchers seem to have found one, and say it may offer clues to multiple sclerosis, too.

The surgeons tasked with removing a tumor from Dan Fabbio's brain had worked hard not to disrupt his ability to perform music. They rejoiced when he was able to play his sax on the operating table.

Gina "Danger" Mazany is a professional mixed martial arts athlete, and she's helping researchers learn more about head injuries and the female brain.