News
- Health & Medicine
Antibiotic improves recovery from stroke
An antibiotic called minocycline seems to limit brain damage and disability in stroke patients.
- Earth
Arctic sea ice falls to modern low
The area of sea ice in the Arctic is at its lowest in nearly three decades of satellite monitoring.
- Anthropology
Ancient DNA moves Neandertals eastward
Evidence from mitochondrial DNA indicates that Neandertals lived 2,000 kilometers farther east than previously thought.
- Health & Medicine
Diabetes precursor may be checked by omega-3 fatty acids
Omega-3 fatty acids in the diet might fend off diabetes in children prone to the disease.
- Earth
A different spin
A change in the properties of Earth's mantle at high pressure and temperature may influence seismic waves in a novel way.
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Exercise steps up as depression buster
Aerobic exercise, done alone or in a group, eases depression almost as well as a common antidepressant does.
- Planetary Science
Martian rovers survive storm
Three months after being stymied by a planet-wide dust storm, NASA's twin Mars rovers are back in action.
- Animals
Crowcam: Camera on bird’s tail captures bird ingenuity
Video cameras attached to tropical crows record the birds' use of plant stems as tools to dig out food.
- Health & Medicine
Shields Down: A cancer-fighting gene declines in old age
Decline of an important anti-cancer gene could contribute to increased cancer risk among the elderly.
- Astronomy
Match Made in Heaven: Nearby galaxies resemble faraway type
Several nearby galaxies seem nearly identical to some of the remotest galaxies known, offering a glimpse of the era when galaxies first formed.
- Health & Medicine
Fueling a Flu Debate: Do vaccinations save lives among the elderly?
Flu shots seem to prevent some deaths and limit hospitalizations for pneumonia in elderly people.
- Paleontology
Just a quick bite
Saber-toothed cats living in North America around 10,000 years ago had a much weaker bite than modern big cats.
