Petechiae are tiny red or purple dots that don't turn white when you press on them. They can be caused by infections, certain medications, and vitamin deficiencies. They can also be a symptom of low ...

Twenty-five years ago this week, the Nasdaq Composite Index hit its dot-com-era peak after soaring more than 500% in five years. Its subsequent collapse was swift and brutal. Small investors lured ...

Women and girls are disproportionately affected by the climate crisis. They are more likely to suffer health consequences as a result of floods, droughts, heat waves, air pollution, wildfires and ...

The National Institutes of Health is planning to trim its workforce by around 3,400 employees, Government Executive has learned, though that goal is being set by the Department of Government ...

Quantum dots are crystals of a fluorescent semiconductor material with a diameter of as few as 10 to 100 atoms (2-10 nm). They are used as labels for imaging molecules because of their very narrow ...