Humans
- Health & Medicine
Shutting Off an On Switch: Novel drugs slow two cancers in mice
By shutting down a signaling molecule on cancerous cells, scientists have found a way to slow multiple myeloma and fibrosarcoma, tests in animals show.
- Anthropology
Brain Size Surprise: All primates may share expanded frontal cortex
A new analysis of brains from a variety of mammal species indicates that frontal-cortex expansion has occurred in all primates, not just in people, as scientists have traditionally assumed.
- Health & Medicine
Two arthritis drugs work best in tandem
Two anti-inflammatory drugs for rheumatoid arthritis—methotrexate and etanercept—work better together than either does individually.
- Anthropology
Extinct ancestor wasn’t so finicky
Contrary to much anthropological thought, the genus Paranthropus showed as much dietary and behavioral flexibility as ancient Homo species did between 3 million and 1 million years ago.
- Health & Medicine
Born to Heal
The controversial strategy of screening embryos to produce donors for siblings raises hopes and presents new ethical dilemmas.
- Humans
Letters from the March 6, 2004, issue of Science News
All we have to fear In “9/11’s Fatal Road Toll: Terror attacks presaged rise in U.S. car deaths” (SN: 1/17/04, p. 37: 9/11’s Fatal Road Toll: Terror attacks presaged rise in U.S. car deaths), it was assumed that people who switched from planes to cars after the terrorist attacks did so because of fear. However, […]
- Anthropology
Early Ancestors Come Together: Humanity’s roots may lie in single, diverse genus
Newly discovered fossil teeth in eastern Africa that are more than 5 million years old suggest that the earliest members of the human family evolved as a single, anatomically diverse genus.
- Health & Medicine
Quantum sentinels
Quantum physics may soon help physicians track whether a cancer has spread.
- Health & Medicine
Gene transfer puts good fats in mammals
Scientists have used a worm gene to genetically engineer mice whose tissues are unusually rich in the heart-healthy fats found mainly in fish.
- Health & Medicine
Tea for Too Much Bilirubin?
A special tea may be an alternative to fluorescent lights for treating newborns who suffer from jaundice.
- Health & Medicine
Averting Pain: Epilepsy drug limits migraine attacks
A drug normally used against epilepsy can prevent migraine headaches.
- Anthropology
Linguists in Siberia record dying tongues
Researchers trekking through remote Russian villages have identified and interviewed some of the last remaining speakers of two Turkic languages.
