A test that identifies biomarkers associated with autism just became available in most states. It's meant to help rule out ...

Astronaut Karen Nyberg, who is more than halfway through a six-month stay on the space station, demonstrated this phenomenon by using a single strand of hair, gripped on either side by her hands ...

A hair splinter occurs when a strand of hair pierces the skin and embeds itself under it. You may not notice it right away, but when you do, it can cause pain and irritation. It’s a small but ...