News
- Health & Medicine
Good Exposure: Contact with babies might lessen MS risk
People who grow up with younger siblings close to them in age are less likely to develop multiple sclerosis later in life than are people without such siblings.
- Math
Sizing Up Complex Webs: Close or far, many networks look the same
Complex networks, including the World Wide Web, have a common architecture with snowflakes and trees.
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Lost Sight, Found Sound: Visual cortex sees way to acquiring new duties
Brain areas that are usually devoted solely to vision can take on new duties following severe or total sight loss.
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Giardia Bares All: Parasite genes reveal long sexual history
Sexual reproduction started billions of years ago, as soon as life forms that have nuclei and organelles within their cells branched off from their structurally simpler ancestors.
- Health & Medicine
Urine test signals pregnancy problem
A simple urine test can warn women that they have an increased risk of preeclampsia, a dangerous complication of pregnancy.
- Tech
Congealing useful oddballs
A device for manipulating liquid droplets turns out to have the unexpected ability to fabricate tiny, solid balls with unusual, and potentially useful, patterned structures inside.
- Chemistry
Building artificial cells from scratch
Scientists have created artificial cells that can live and produce proteins as their natural counterparts do, but can't replicate.
- Tech
Thrifty trucks go with the flow
Forcing air through strategically placed slits on a tractor trailer results in a major boost in fuel economy.
- 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.
- 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.
