News
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Do No Harm: Stem cells created without destroying healthy embryos
Scientists have devised ways to isolate embryonic stem cells from mice without destroying viable embryos.
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Exposure to seawater proves deadly
Vibrio bacteria, carried in seawater, have caused a spate of infections in people along the U.S. Gulf Coast in the wake of Hurricane Katrina.
- Health & Medicine
Iraq war casualties often complicated
Hundreds of injured soldiers returning from Iraq and Afghanistan harbor an unusual bacterium that complicates wound healing.
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Illness linked to microbe in group that makes vinegar
Researchers have identified a new bacterium in a severely ill patient.
- Health & Medicine
Strep vaccine stirs antibody production
An experimental vaccine against the microbe that causes strep throat can induce a potent immune response in adults.
- Health & Medicine
Eating disorders may have autoimmune roots
Anorexia nervosa and bulimia nervosa may be autoimmune diseases, according to a new study.
- Materials Science
Explosive tempers
Researchers have demonstrated that carbon nanotubes, once ignited, can detonate explosives.
- Animals
Proxy Vampire: Spider eats blood by catching mosquitoes
Researchers studying food preferences among spiders report finding the first one with a taste for vertebrate blood.
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High Times for Brain Growth: Marijuana-like drug multiplies neurons
A drug that functions as concentrated marijuana does may spur the process by which the brain gives birth to new nerve cells.
- Chemistry
Chemical Dancing: Chemists choreograph molecular moves for Nobel honor
This year's Nobel Prize in Chemistry went to three scientists for their work on a versatile strategy for synthesizing all manner of chemical compounds in an environmentally friendly way.
- Anthropology
Encore for Evolutionary Small-Timers: Tiny human cousins get younger with new finds
Excavations in an Indonesian cave have yielded more fossils of short, upright creatures that lived as recently as 12,000 years ago.
- Earth
Drought’s heat killed Southwest’s piñon forests
The heat accompanying a drought and a plague of bark beetles seem to explain the deaths of swathes of piñon pine trees across the Southwest in 2002 and 2003.
