News
- Earth
Polar ice sheets are synchronized swimmers
Glaciers in the Northern and Southern Hemispheres advance and retreat together.
- Health & Medicine
Immune booster also works in reverse
Injections of the protein interleukin-2 can calm runaway defenses that damage tissues in the body, two studies show.
- Health & Medicine
Weaker brain links found in psychopaths
Decreased communication between emotional and executive centers may contribute to the mental disorder.
- Space
Christmas gamma-ray burst still puzzles
Nearly a year after receiving a spectacular celestial gift, astrophysicists are still asking: “What is it?”
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