Butterflies exhibit striking differences between males and females, a phenomenon called sexual dimorphism. These variations, ...

Tone your arms with 7 standing, no-equipment moves that target triceps and shoulders after 45. Do them for 30 days.

Artificial intelligence (AI) could soon help anesthesiologists keep children safer in the operating room and improve their ...

Downward-facing dog is a foundational staple in any vinyasa yoga class. While it may seem like a simple full-body stretch, ...

Twelve million years ago, a huge flightless predator known as a “terror bird” sprinted across tropical floodplains in what is ...

Stepping on a Lego or cutting your finger causes pain, but they aren't the only body parts sensitive to touch. In fact, one ...

When you read about something or see it on TV, the (lack of) context might leave you guessing — or even worse, ...