Add Yahoo as a preferred source to see more of our stories on Google. A new brain cancer test using spinal fluid detects tumors with 100% accuracy, offering safer diagnosis and fewer risky biopsies.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Researchers at Duke University monitored participants’ brain activity while they completed simple math ...

A Brain teaser is a type of puzzle, which is a short, playful puzzle designed to stretch your mind and make you smile. It could be in the form of a riddle, a tricky question, a visual illusion, or a ...