Uncategorized
- Archaeology
Horse domestication traced to ancient central Asian culture
New lines of evidence indicate that horses were domesticated for riding and milking more than 5,000 years ago by members of a hunter-gatherer culture in northern Kazakhstan.
By Bruce Bower - Health & Medicine
Chemotherapy drug may in fact strengthen some cancer cells
Research shows a standard drug for treating brain cancer can actually make some cells more aggressive.
- Tech
Watching Earth for 25 years
The Landsat 5 satellite launched in 1984 with a mission to orbit and image Earth's surface for three years. Still in orbit, the satellite has continuously documented changes in landscape.
By Sid Perkins - Health & Medicine
New drug shows benefits against nasty asthma
An experimental drug called mepolizumab prevents some emergency asthma attacks in people who no longer benefit from normal doses of steroids.
By Nathan Seppa - Astronomy
These cosmic gluttons may be tight
Researchers may have discovered the most tightly bound pair of supermassive black holes known, an indication that two massive galaxies have merged.
By Ron Cowen - Agriculture
Gut bacteria ally with Bt
A new study finds that a particular microbe makes caterpillars susceptible to the insecticide.
- Ecosystems
Fish shrinkage reversible, but better hurry
In an experiment, scientists show that, although it takes generations, fish can rebound from evolutionary pressures created by selective harvesting, which has pushed some populations to become small and slow-growing.
By Susan Milius - Paleontology
Dinosaur handprints reveal birdlike arm anatomy
Inward-facing palms evolved much earlier than previously recognized, a new study finds.
By Sid Perkins - Health & Medicine
Popular acid blockers, anticlotting drug don’t mix
Acid-blocking drugs commonly prescribed to cardiac patients upon hospital discharge seem to interfere with an anticlotting drug.
By Nathan Seppa - Health & Medicine
One protein mediates damage from high-fructose diet
A study in mice suggests that a liver protein mediates the harmful effects of consuming too much fructose, an increasingly common aspect of Western diets.
- Health & Medicine
Out-of-sync days throw heart and metabolism out of whack
When people sleep may be just as important as how much they sleep. Altered sleep patterns can lead to heart disease and diabetes, a new study suggests.
- Life
Gene links autism, bellyaches
Researchers have uncovered a genetic link between autism and gastrointestinal disorders in some families.