Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
Letters from the June 9, 2007, issue of Science News
Safe passage I have to ask you to remove the subtitle “Dangerous Bridge” under the photograph of the exit ramp from the New Jamarat Bridge in Saudi Arabia (“Formula for Panic: Crowd-motion findings may prevent stampedes,” SN: 4/7/07, p. 213). There has never been an accident on that ramp, and the bridge is now being […]
- Health & Medicine
Tea—Milking It
Adding milk doesn't diminish tea's antioxidant bounty, research finds.
- Humans
From the May 29, 1937, issue
An ancient Miss America, an indivisible neutron, and crystallized catalase.
- Health & Medicine
Visualizing Cancer: Images of tumors can detect gene expression
Subtle features in X-ray images of tumors let radiologists infer which genes are active in the cancerous growth.
- Health & Medicine
Early Start: Fetuses generate immune response to vaccination
A fetus can manufacture immune cells and antibodies in direct response to vaccine given to the mother during pregnancy.
- Humans
Letters from the June 2, 2007, issue of Science News
Where there’s fire Regarding “Risky Flames: Firefighter coronaries spike during blazes” (SN: 3/24/07, p. 180), was the increased death rate due to firefighters having a higher rate of heart disease than people do in other jobs? An analysis of eating habits may reveal more insight. Jim SchmitzSt. Louis, Mo. The study looked only at what […]
- Health & Medicine
Stem cells not required
Insulin-producing cells in the pancreas proliferate by cell division, unlike other body tissues, which regenerate from adult stem cells.
- Humans
From the May 22, 1937, issue
Hidden beauty revealed, an electric french horn, and safer toy balloons.
- Humans
Hot Competition: Students display winning projects
High school students from 51 countries gathered in Albuquerque last week to compete for scholarships and other prizes at the 2007 Intel International Science and Engineering Fair.
- Health & Medicine
Circadian Fix: Viagra may lessen effects of jet lag
Sildenafil, the male-impotence drug marketed as Viagra, helps laboratory rodents recovery from circadian disruptions similar to jet lag.
- Health & Medicine
Chocolate Constituent Bests Fluoride
The beans used to make chocolate can also render a tooth-decay-fighting extract; unfortunately, it's bitter, not chocolaty.
- Health & Medicine
Nail-gun injuries shoot up
Nail-gun injuries among do-it-yourself carpenters have tripled since 1991.
