News
- Physics
Twinkle Toes: How geckos’ sticky feet stay clean
Besides allowing geckos to cling to walls and ceilings, the millions of tiny fibers on the undersides of these lizards' toes clean themselves with each step.
- Health & Medicine
Bad Combo? Some antidepressants may hamper breast cancer drug
Certain widely used antidepressants and a woman's own genes might diminish the effect of tamoxifen, a frontline breast cancer drug.
- Earth
Reflections on Insecticides: Mirror forms of agrochemicals set risk
The toxicity of an insecticide or how long it persists in the environment depends on which mirror-image form of the chemical is present.
- Anthropology
Temples of Boom: Ancient Hawaiians took fast road to statehood
A boom in temple construction on two Hawaiian islands around 400 years ago marked the surprisingly rapid formation of an early political state.
- Health & Medicine
Beat Generation: Genetically modified stem cells repair heart
Tissue engineers have for the first time used genetically modified human stem cells to repair damaged hearts in guinea pigs.
- Earth
Tsunami Disaster: Scientists model the big quake and its consequences
Scientists are modeling the immediate and long-term effects of the magnitude 9.0 earthquake that struck west of Indonesia the morning of Dec. 26, 2004, and triggered tsunamis that killed tens of thousands of people.
- Astronomy
Ring robber
Images taken by the Cassini spacecraft provide graphic evidence of Saturn's moon Prometheus stealing particles from the planet's narrow F ring.
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Plants: Importance of being economic
The pulse of the real estate market in a given area turns out to be a powerful indicator of how many exotic plant species have invaded the neighborhood.
- Astronomy
A dwarf with a disk
The Hubble Space Telescope has examined in unprecedented detail a ring of debris around a star that could be the nearest and youngest known home for planets outside the solar system.
- Earth
Ocean-sensor project reaches milestone
Oceanographers seeking to deploy an armada of 3,000 robotic probes to take the pulse of Earth's oceans have passed the halfway mark and hope to have the full array of sensors in place by 2007.
- Humans
Helping patients decipher options
Scientific publishers and research organizations are preparing to launch a Web site that will make new research findings available to the public in an easy-to-understand context.
- Physics
Probe bares heart of X-ray inferno
Physicists have snapped the first real-time pictures of the exploding core of the world's most powerful X-ray source other than a nuclear bomb.
