Humans
We summarize the week's scientific breakthroughs every Thursday.
- Anthropology
When female chimps become baby killers
Although long thought to be rare, instances in which female chimps band together to kill other females' infants occur fairly regularly under certain circumstances.
- Health & Medicine
Migraines in men linked to heart attack risk
Men who experience migraine headaches are somewhat more likely to have heart attacks than are other men.
- Health & Medicine
Dangerous History
The genome of the TB bacterium has small but significant pockets of diversity, giving scientists new targets for preventing and treating the disease.
- Humans
Letters from the May 26, 2007, issue of Science News
It’s cold out there I couldn’t help noticing the last sentence of “World’s climate map gets an update” (SN: 3/24/07, p. 190): “One of the system’s 30 possible climate subtypes—a temperate climate with a cold, dry summer—wasn’t found anywhere on Earth.” The comment reveals that the writer has never read Mark Twain’s comment that the […]
- Health & Medicine
Childhood Vitamin D—A New Benefit?
Vitamin D may prevent symptoms of asthma in toddlers.
- Humans
From the May 15, 1937, issue
A new seat of learning, hazards to workers, and a machine with feeling.
- Health & Medicine
Cancer Risk—Understanding the Puzzle
The news is filled with stories about cancer risk. Some of the information can be confusing and contradictory. How do you know what to believe? This new Web site from the National Cancer Institute cuts through the hype to help you understand the plain and simple truth about cancer risk. Go to: http://understandingrisk.cancer.gov
- Health & Medicine
X-Ray Kin: Radiation risk is hereditary
Susceptibility to radiation-induced tumors runs in families.
- Health & Medicine
Slimming on oolong
Rats absorb less dietary fat and gain less weight when their diets contain lots of oolong tea.
- Health & Medicine
Embryos, please
Almost half of Spanish couples who were asked recently to donate excess embryos for stem cell research did so.
- Health & Medicine
Therapeutic sorghum?
Sorghum's inflammation-fighting activity is comparable to that of a prescription arthritis medicine, animal research indicates.
- Humans
Letters from the May 19, 2007, issue of Science News
Merry go round When considering a spin rate of 1,122 revolutions per second, has anyone determined the diameter of the neutron star XTE J1739-285 (“Dance of the dead,” SN: 3/17/07, p. 173)? If, for example, it were the same diameter as Earth, it would be traveling far in excess of the speed of light at […]
