These "Specimens of Fancy Turning" from a 1869 book of albumen silver prints look like antique, mystical spirograph toy ...

"He's very hyper but a smart boy. He loves to jump around and run and make other dogs chase him," Sydney Snyder told Newsweek.

Chemists identify a single molecule that naturally tiles in nonrepeating patterns, which could help build materials with novel electronic properties.

Overnight bursts of brain waves seen in normal sleep can help doctors predict which unresponsive patients hospitalized with acute severe brain injuries will awaken and eventually recover. Several ...