A 31,000-year-old skeleton discovered in a cave in Borneo may be the earliest evidence of a surgical amputation in humans.

Recent research suggests kids who walk, skateboard or ride their bikes to school when they are young are more likely to keep it up as they get older, reaping the health benefits.

The video of Chin struggling for words is bringing a lot of attention to this medical emergency. It shows how unexpectedly, and rapidly, stroke-like symptoms can start. It’s also a good reminder to anyone who thinks they or someone else might be having a stroke that they need to act fast.