Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Making scents of Alzheimer’s
Among people with mild symptoms of memory loss, a limited ability to recognize smells—along with an inability to detect the disability—has been linked to the future development of Alzheimer's.
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- Archaeology
Stone Age statuettes don disputed apparel
A report describing woven caps, skirts, belts, and other apparel on Venus figurines from the Stone Age draws some critical responses.
- Health & Medicine
AIDS Vaccine Tests Well in Monkeys
An experimental AIDS vaccine bolstered with two immune proteins protects rhesus monkeys from the disease even when they are exposed to a combination of simian and human immunodeficiency virus.
- Health & Medicine
Formula for Failure
A bacterium that has been known to cause rare, yet fatal infections in infants appears to be more widespread than scientists have realized.
- Humans
Letters from the March 13, 2004, issue of Science News
Dry hole? “Tapping sun’s light and heat to make hydrogen” (SN: 1/17/04, p. 46: Tapping sun’s light and heat to make hydrogen) seems to be delivering good news for the environment: “Clean” hydrogen can be produced from water using solar energy. This seems to me, however, to be even more horrifying than the burning of […]
- Humans
From the March 10, 1934, issue
High-speed photography, artificial radioactivity, and earthquake prediction.
- Health & Medicine
Meat of the Matter: Fish, flesh feed gout, but milk counters it
Nutrition research supports the ancient notion that a diet rich in meat contributes to the development of gout, a form of arthritis common in men.
- 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.
