Humans
- Health & Medicine
Saw palmetto flunks prostate exam
An herbal supplement used by 2.5 million men in the United States has failed to outperform a dummy capsule taken for urinary problems.
By Nathan Seppa - Health & Medicine
Study upgrades protons’ risk to DNA
Proton radiation causes worse breaks in DNA than researchers had expected.
By Janet Raloff - Humans
Evolution in Action
Debates on the conflict between evolution and intelligent design are taking place not only in the courts but also in state legislatures and even among members of local school boards, where topics include curricula, textbooks, and the definition of science itself.
By Sid Perkins - Health & Medicine
Fooling the Satiety Meter (with recipe)
New studies in portion control reveal that diluted calories are far more effective at satisfying hunger than energy-dense ones are.
By Janet Raloff - Humans
Snowboarder and Astronaut
U.S. snowboarder Hannah Teter won a gold medal at the 2006 Winter Olympic Games in Torino, Italy. In a brief video she made for NASA, Teter explains why snowboarders would make good astronauts. Go to: http://brainbites.nasa.gov/snowboarder/
By Science News - Humans
From the February 15, 1936, issue
Rare apes, smallest radio transmitter, and light as electric rings of force.
By Science News - Health & Medicine
Looking Ahead: Tests might predict Alzheimer’s risk
Two tests show promise in detecting Alzheimer's disease or other cognitive impairment years before symptoms arise.
By Nathan Seppa - Health & Medicine
Not So Sweet: Cancers in rats that consumed aspartame
A large, new study in rats suggests that the artificial sweetener aspartame may be a carcinogen, but critics question the finding's validity.
By Ben Harder - Humans
Letters from the February 18, 2006, issue of Science News
Pain, pain, go away I’m pleased that images are now available to prove that self-control over pain works (“Brain Training Puts Big Hurt on Intense Pain: Volunteers learn to translate imaging data into neural-control tool,” SN: 12/17/05, p. 390). Actually, I and many other moms could have helped the researchers. During childbirth, we simply focused […]
By Science News - Health & Medicine
Alzheimer’s drug shows staying power
The drug memantine slowed mental decline in people with moderate-to-advanced Alzheimer's disease in a 12-month trial, the longest test of the drug to date.
By Nathan Seppa - Health & Medicine
Of taters and tots
For each serving of french fries that a preschool girl typically consumed per week, her adult risk of developing breast cancer climbed.
By Janet Raloff - Humans
SUVs no safer for kids than passenger cars
Children in sport utility vehicles are just as likely as children in passenger cars to be injured in an accident, despite the SUVs' greater weight.
By Nathan Seppa