Uncategorized
- Astronomy
Found: Gamma-ray background information
Resolving a 30-year-old mystery, astronomers say they have identified the source of the faint, high-energy glow of radiation known as the gamma-ray background.
- Earth
Much that glitters is really old
New isotopic analyses of rock samples from one of the world's richest gold-mining regions suggest that the flecks of gold in those ores are more than 3 billion years old.
- Health & Medicine
New twist on a pet theory
Growing up with cats may reduce a child's risk of developing asthma—unless the child's mother has asthma as well.
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I was intrigued by the fact that some apoptotic cells can recover if not engulfed by another cell.
