Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
From the April 24, 1937, issue
Solving a local mystery and closing in on chlorophyll synthesis.
- Humans
Federal Citizen Information Center
This unit of the U.S. government provides practical guides and fact sheets, most of which are free, on a variety topics related to particular aspects of health, food, computers, and more. Recent free documents include “Sleep Disorders,” “Sunscreens and Tanning,” and “Internet Auctions: A Guide for Buyers and Sellers.” Go to: http://www.pueblo.gsa.gov
- Health & Medicine
Diabetes from Depression: Older adults face dual risk
Adults 65 and older who report depressive symptoms are 50 to 60 percent more likely to develop diabetes than are their peers.
- Health & Medicine
Inherited Burden? Early menarche in moms tied to obesity in kids
Women who reach puberty at an early age are more likely to have children who are overweight.
- Health & Medicine
No heart risk from hormones taken near menopause
Contrary to some earlier indications, hormone replacement therapy might not impart heart risks to women who take it during their 50s.
- Anthropology
Children of Prehistory
Accumulating evidence suggests that children and teenagers produced much prehistoric cave art and perhaps left behind many fledgling attempts at stone-tool making as well.
- Humans
Letters from the April 28, 2007, issue of Science News
Long ago gas Finding CO2 levels that are 2,500 times higher in 5,000-year-old fulgurites than in modern samples, scientists have speculated that the extra CO2 resulted from vaporization of organic material by lightning (“Stroke of Good Fortune: A wealth of data from petrified lightning,” SN: 2/17/07, p. 101). Could some of this gas reflect elevated […]
- Humans
From the April 17, 1937, issue
Signs of spring, new elements in space, and the future of atomic energy.
- Health & Medicine
Tenacious STD: Drug-resistant gonorrhea is spreading
Responding to a surge in tough-to-treat gonorrhea, the CDC has stopped recommending Cipro-class antibiotics for the disease.
- Health & Medicine
Visual Clarity: People with MS maintain eyesight with drug
A drug for multiple sclerosis seems to prevent subtle vision loss in many patients.
- Health & Medicine
Diet for a Noisy Planet
Oral doses of a combination of certain antioxidants and magnesium can significantly limit the risk of noise-induced hearing loss, an animal study finds.
- Humans
Letters from the April 21, 2007, issue of Science News
How the West isn’t one The author of “Why So Dry? Ocean temperatures alone don’t explain droughts” (SN: 2/10/07, p. 84), seems to feel, like most other writers do, that “the western United States” properly covers all geographical bases. Believe me, the Pacific Northwest is anything but dry. One other point about geography: Weather phenomena, […]
