News
- Planetary Science
Meteorites quickly reach Earth
Fragments from collisions between large bodies in the asteroid belt can reach Earth in as little as 100,000 years.
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Worm to elephant: New genome targets
The National Human Genome Research Institute has released a list of 18 wildly different creatures as targets for genome sequencing.
- Paleontology
Bird Brain? Cranial scan of fossil hints at flight capability
Detailed computerized tomography scans of the fossilized braincase of an Archaeopteryx show that several flight-related regions of the feathered creature's brain were highly developed.
- Health & Medicine
Swallowed a Fly: Insects may spread foodborne microbe to chickens
Flies sucked through the ventilation ports of industrial chicken coops may spread the pathogen Campylobacter jejuni, which can ultimately sicken people who eat undercooked chicken.
- Animals
Anybody know this fish?
A 2-month marine-biodiversity survey of the Mid-Atlantic Ridge concluded this week, bringing home much data and some novel specimens.
- Tech
Lighting the Way for Water: New strategy for steering drops with finesse
Using a beam of ultraviolet light, researchers manipulate tiny drops of water on a surface—a demonstration that could lead to ultrafast and highly precise chemical reactions on a chip.
- Health & Medicine
Gene Delivery: Mouse study shows new therapy may reverse muscular dystrophy
A single defective gene causes muscular dystrophy, and researchers have now found a way to deliver a working copy of that gene to the entire muscular system in mice.
- Astronomy
Explosive News: Telescopes find signs of gentler gamma-ray bursts
Astronomers appear to have discovered an unexpected population of low-energy gamma-ray bursts, and they could be 10 times more numerous than previously-known higher-energy bursts.
- Health & Medicine
Stopping Alzheimer’s: Antibody thwarts disease in mice
Antibodies against amyloid protein, which gums up the brains of Alzheimer's patients, reverse a form of the disease in mice.
- Earth
Twin satellites track water’s rise and fall
A pair of satellites launched in 2002 has detected small, regional changes in Earth's gravitational field that are caused by seasonal variations in rainfall and soil moisture.
- Humans
Where Ph.D.s pay off
Salaries for full-time scientists and engineers in the United States have generally outpaced inflation, but academic researchers tend to earn substantially less than their counterparts in industry and government.
- Materials Science
Charging gold with a single electron
Dropping a single electron onto a gold atom with a scanning tunneling microscope converts gold from its neutral state to an ionic state.
