News
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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.
By Nathan Seppa -
Health & Medicine
Weaker brain links found in psychopaths
Decreased communication between emotional and executive centers may contribute to the mental disorder.
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Space
Christmas gamma-ray burst still puzzles
Nearly a year after receiving a spectacular celestial gift, astrophysicists are still asking: “What is it?”
By Nadia Drake -
Space
Superbubble harbors cosmic rays
Stellar nursery jump-starts rays’ journey to Earth.
By Nadia Drake -
Life
Biology’s big bang had a long fuse
The fossil record’s earliest troves of animal life are the result of more than 200 million years of evolution.
By Susan Milius -
Humans
Cooking can be surprisingly forgiving
Network analysis confirms deviations from the recipe are quite feasible.
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Life
Cretaceous Thanksgiving
A fossilized feathered dinosaur dined on bird not long before its own demise.
By Susan Milius -
Chemistry
Radiation sickness treatment shows promise
The regimen could be used to protect large numbers of people in the aftermath of major accidents such as Chernobyl or Fukushima.
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Life
DNA to flutter by
The complete genetic instruction book for making monarch butterflies contains information about how the insects manage their long migration to Mexico.
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Earth
Oxygen a bit player in Earth’s outer core
Sulfur and silicon may be more abundant in the planet’s heart than thought.
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Health & Medicine
Getting the picture of how someone died
CT scans can often reveal a clear cause of death, possibly making some autopsies unnecessary, British researchers find.
By Nathan Seppa -
Life
Unraveling synesthesia
Tangled senses may have genetic or chemical roots, or both.
By Nick Bascom