News
- Health & Medicine
New drug to treat blood poisoning
For the first time, a drug has reduced deaths from severe sepsis, a life-threatening immune reaction occurring in 750,000 people in the United States each year.
- Health & Medicine
Less morphine may be more
In mice, very low doses of morphine combined with even lower doses of a drug that usually blocks morphine's effect can give greater pain relief than higher doses of morphine alone.
- Anthropology
Yanomami inquiry moves forward
The American Anthropological Association has launched a formal inquiry into the highly publicized allegations of scientific misconduct by anthropologists and others working in South America among the Yanomami Indians.
- Anthropology
Chimps grasp at social identities
Researchers contend that neighboring communities of wild chimpanzees develop distinctive styles of mutual grooming to identify fellow group members and foster social solidarity.
- Health & Medicine
Two genes tied to common birth defect
Researchers report that defects in either of two specific genes may be responsible for DiGeorge syndrome, the second most common cause of congenital heart defects in newborns.
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Baboon rumps signal quality of motherhood
The size of the swellings on a female baboon’s rump match her physical prowess for motherhood, a rare case of reproductive-quality advertisement in females.
- Earth
Is there a vent in the global greenhouse?
Satellite observations of ocean temperatures in tropical regions of the western Pacific suggest that when ocean temperatures there warm up, the amount of heat-trapping cirrus clouds decreases, possibly providing a heat-venting effect that could help reduce global warming.
- Planetary Science
Debate over life in Mars rock rekindles
Two recent studies could inject new life into the argument that a 4-billion-year-old Martian meteorite contains fossils of bacteria from the Red Planet but several scientists say the reports fall short of resurrecting that notion.
- Paleontology
Dinosaur fossil yields feathery structures
Researchers believe they have found primitive feathers on the remains of Sinornithosaurus millenii, a 124-million-year-old raptor dinosaur from Liaoning, China.
- Materials Science
Scientists belt out a novel nanostructure
Researchers have used metal oxides to make microscopic ribbonlike structures that could prove useful for developing future nanoscale devices.
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Self-illusions come back to bite students
College freshmen who greatly overestimate their academic potential feel confident and happy for a while, but as they move toward graduation, these students feel progressively worse about themselves and become less involved with their schoolwork, a new study finds.
- Health & Medicine
Sedentary Off-hours Link to Alzheimer’s
People who have Alzheimer's disease in old age were generally less active physically and intellectually between the ages of 20 and 60 than were people who don't have the disease.
