Uncategorized
- Tech
Matrix Realized
Devices called brain-computer interfaces could give paralyzed patients the ability to flex mechanical limbs, steer a motorized wheelchair, or operate robots through sheer brainpower.
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- Humans
Letters from the January 22, 2005, issue of Science News
Timely comments The researchers featured in “Summer births linked to schizophrenia” (SN: 11/6/04, p. 301) suggest that a higher incidence of schizophrenia may be due to summer-related infections “or other seasonal factors.” June and July births would have been in early gestation during late fall and winter, when there is increased incidence of depression among […]
- Humans
From the January 19, 1935, issue
Unusual twin girls, recording brain waves, and making heavy hydrogen.
- Planetary Science
A Year on Mars
Catch up with the amazing, ongoing adventures of the rovers Spirit and Opportunity, still ticking on the surface of Mars. These multimedia pages provide maps and routes, images, and accounts of discoveries as the two vehicles explored the Red Planet. Go to: http://www.jpl.nasa.gov/multimedia/mer-year/
- Earth
Early Warning: United States to deploy 32 more buoys for sensing tsunamis
On Jan. 14, the Bush administration announced a $37.5 million program to expand the nation's tsunami-warning capabilities.
- Tech
Micro Musclebot: Wee walker moves by heart cells’ beats
A new breed of mobile micromachine made of living heart tissue, gold, and silicon takes a step with each rhythmic contraction of its muscle cells.
- Materials Science
Infrared Vision: New material may enhance plastic solar cells
The vision of flexible, low-cost, lightweight plastic solar cells has moved one step closer to reality with the creation of a material that can harness infrared light.
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19508
Plastic solar cells may indeed be gaining in efficiency, but here in the Southwest, anything plastic left out in the sun quickly clouds, desiccates, and cracks. Can the new polymer-based material protect against this destruction? It would certainly be cost prohibitive to replace the cells every year. Stephen WustSanta Fe, N.M. Researchers are well aware […]
- Ecosystems
Bivalve Takeover: Once-benign clams boom after crab influx
European green crabs invading a California bay have triggered a population explosion of a previously marginal clam.
- Astronomy
Black Hole Bonanza: 10,000 objects near our galaxy’s center
Astronomers have found the first evidence of a suspected population of black holes near the Milky Way's center, each hole with 10 times the mass of the sun.
- Paleontology
Pieces of an Ancestor: African site yields new look at ancient species
Fossils unearthed at sites in eastern Africa provide a rare look at Ardipithecus ramidus, a member of the human evolutionary family that lived more than 4 million years ago.
