Uncategorized
- Chemistry
Soot Sense: Test tallies exposure to diesel pollution
A chemical in urine reveals a person's exposure to diesel exhaust.
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Fatherless Stem Cells: Scientific fraud involved an accidental advance
Stem cells that discredited researcher Woo Suk Hwang claimed as the first example of human cloning actually came from embryos that contained only the mother's genetic material.
- Planetary Science
G Whiz! Craft identifies source of faint Saturnian ring
The Cassini spacecraft has discovered the source of particles that make up Saturn's G ring.
- Earth
Asian Forecast: Hazy, Warmer—Clouds of pollution heat lower atmosphere
Clouds of smoke and soot that blanket many regions of Asia heat the lower atmosphere by the same amount that rising greenhouse gases do.
