News
- Earth
Global Warming Debate Gets Hotter
President Bush gets the global warming report he commissioned just days before he meets with European leaders.
- Health & Medicine
Immune attack on self halts nerve damage
T cells primed for autoimmune behavior may actually preserve nerves after a damaging blow.
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Catfish can track fish wakes in the dark
Infrared photography has revealed that catfish can stalk their prey by following wakes underwater.
- Health & Medicine
Enzyme defends germ against stomach acid
The newly solved structure of a Helicobacter pylori acid-fighting enzyme has scientists divided about how the enzyme works.
