Do your friends cover their ears when you sing along with the radio? Does the choir director ask you to lip-sync? If you're one of the unlucky people who is tone-deaf, it turns out your brain may have ...

Astrocytes appears to help keep blood pressure and blood flow inside the brain on a healthy, even keel, scientists report. Like a health-care worker keeping tabs on a patient's blood pressure, the ...

A star-shaped brain cell called an astrocyte appears to help keep blood pressure and blood flow inside the brain on a healthy, even keel, scientists report. The finger-like appendages of astrocytes, ...