Uncategorized
- Health & Medicine
Two studies offer some cell-phone cautions
A British review of research gave cell-phone safety a guarded endorsement, while new findings indicate that radiation from older cell phones can trigger a stress-response gene, at least in animals.
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Bdelloids: No sex for over 40 million years
Researchers find the strongest evidence yet for creatures that have evolved asexually for millions of years.
- Humans
Motor City hosts top science fair winners
The 2000 Intel International Science and Engineering Fair winners were announced in Detroit.
- Astronomy
Galaxies shine light on dark matter
Using a cosmic mirage known as gravitational lensing, astronomers have developed detailed maps of the distribution of dark matter, the invisible material believed to make up 90 percent of the mass of the universe.
- Astronomy
New views of Jovian moons
The Galileo spacecraft has taken the highest-resolution images ever recorded of three of Jupiter's small, innermost moons.
- Health & Medicine
Waiting to exhale
A breath test that measures the activity of an enzyme involved in breaking down drugs in a person's body may help doctors minimize side effects from potent drugs such as docetaxel.
- Health & Medicine
Nervous tics in the heart
The irregular heartbeats sometimes triggered after a heart attack may be caused by abnormal nerve growth in heart tissue damaged by the attack.
- Physics
Electron cycling in quantum confines
A lone electron zips around in the tightest circle allowed by quantum mechanics in an extraordinarily small, frigid cyclotron, potentially allowing scientists to nail down some fundamental constants of physics more precisely than ever before.
- Physics
Laser links segue to chemical bonds
Light can knit matter together until other bonds take over, providing a potentially useful approach to building nanometer-scale structures and materials.
- Agriculture
Downtown Fisheries?
Advances may make fish farming a healthy prospect, even for inner cities.
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Placental Puzzle
Do captured viral genes make human pregnancies possible?
- Paleontology
Fossils Hint at Who Left Africa First
Fossil skulls found in central Asia date to 1.7 million years ago and may represent the first ancestral human species to have left Africa.
