News
- Earth
Global warming won’t boost carbon storage in tundra
The notion that a warmer climate in arctic regions will lead to enhanced carbon sequestration in tundra ecosystems isn't supported by field data.
- Physics
Hurrying a nuclear identity switch
Radioactive beryllium-7 atoms locked inside molecular cages decay extraordinarily quickly.
- Health & Medicine
Turmeric component kills cancer cells
Curcumin, the component of turmeric that makes the spice yellow, shows anticancer effects in lab-dish tests and in experiments on mice.
- Health & Medicine
Fighting cholesterol with saturated fat?
Marrying a saturated fat to the plant-derived ingredient in certain health-promoting margarines creates an especially potent cholesterol-lowering food additive.
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Car deaths rise days after terror attacks
A spike in automobile fatalities in Israel 3 days after each of a recent series of terrorist attacks reflects a delayed, population-wide reaction to those violent incidents, two researchers propose.
- Health & Medicine
Adopted protein might be MS culprit
A protein called syncytin might play a role in causing degradation of the fatty myelin sheath that insulates nerves, damage that leads to multiple sclerosis.
- Astronomy
More space sugar
Astronomers have found a second, colder source of the simple sugar glycoaldehyde in a dust and gas cloud 26,000 light-years from Earth.
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Pinpointing Poachers: Gene sleuths map illicit elephant kills
A new, genetics-based technique for determining ivory's place of origin is geographically precise enough to aid forensic pursuit of African elephant poachers.
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Two-Headed Memories: Collaboration gives recall lift to elderly
Collaboration with a spouse improves the accuracy of older people's memories on tasks such as remembering items on a shopping list or identifying familiar landmarks on a local map.
- Animals
Beat Goes On: Carp heart keeps pace when fish lacks oxygen
Without oxygen, a Scandinavian fish not only can survive but also maintains a normal heartbeat for days.
- Earth
Humming Along: Ocean waves may cause global seismic noise
The slow and nearly constant vibrations of Earth's crust stem from severe winter weather over some of the world's oceans.
- Physics
Wake Up, Little Surfers: Riding waves toward tabletop accelerators
Prospects that today's giant particle accelerators could shrink to the size of rooms look better than ever, now that new experiments have produced electron pulses of uniform energy from laser-powered accelerators that act over millimeter distances.
