For decades scientists thought the Dunkleosteus terrelli utilized suction feeding. Now, we know the ancient predator used ...

About 360 million years ago, the shallow sea above present-day Cleveland was home to a fearsome apex predator: Dunkleosteus terrelli. This 14-foot armored fish ruled the Late Devonian seas with ...

Chewing gum may enlarge your masseter muscles, which are the muscles near your ears. But it would take years of chewing gum for around 6-8 hours a day to make a visible difference. To actually change ...

A tight jaw can result from stress, anxiety, inflammation, or injury. Overexerting the jaw, such as by chewing too much, can also cause muscle tightness. Treatment can depend on the cause. Preventive ...