News
- Paleontology
Proud paleontologists proclaim: It’s a boy!
Marine sediments deposited about 425 million years ago have yielded what scientists contend is the world’s oldest undoubtedly male fossil.
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Seek and Destroy: Virus attacks cancer, spares normal cells
A virus carried by mosquitoes naturally homes in on cancer cells and destroys them.
- Earth
Cloud Chemistry: Atmospheric scientists dissect cirrus clouds
Cirrus cloud formation is influenced by the particles in the atmosphere, including pollutants.
- Astronomy
Solar Flip-Flops: Sun storms spawn magnetic reversal
Coronal mass ejections, billion-ton clouds of charged particles blasted from the sun, appear to play a key role in reversing the sun's magnetic poles every 11 years.
