News
- Astronomy
Cloudy Findings: A new population shows up in the Milky Way
A radio telescope has detected a previously unknown population of hundreds of hydrogen clouds in the gaseous halo that surrounds the disk of our galaxy.
- Anthropology
Ancient Lure of the Lakes: Early Americans followed the water
Archaeological investigations in Chile indicate that beginning around 13,000 years ago, early American settlers lived at high altitudes during humid periods, when they could set up hunting camps on the shores of lakes.
- Physics
Neptunium Nukes? Little-studied metal goes critical
Researchers have measured with far greater accuracy than ever before how much neptunium it would take to make a bomb.
