Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Problem Paternity: Older men seem more apt to have autistic kids
Children born to fathers who are age 40 or older have an increased risk of developing autism.
- Humans
Letters from the September 9, 2006, issue of Science News
Brother bother If having biological older brothers correlates to homosexuality (“Gay Males’ Sibling Link: Men’s homosexuality tied to having older brothers,” SN: 7/1/06, p. 3), then we would expect that in the past, when families were larger, there would be a greater proportion of homosexuals. Is there any evidence for this? Rick NorwoodMountain Home, Tenn. […]
- Health & Medicine
Herpes simplex viruses dip in prevalence
Two viruses that cause genital herpes decreased in prevalence in the United States during the past 2 decades.
- Health & Medicine
Old drug can stop clots as well as newer drug does
A decades-old form of the anticlotting drug heparin is as safe, as effective, and potentially as convenient to use as recent derivatives that are many times more expensive.
- Humans
From the August 29, 1936, issue
Fighting forest fires with science, a young Milky Way, and atom-smashing cosmic rays.
- Health & Medicine
Another Way Men and Women Differ
One reason young women face a much lower heart-disease risk than do men may reflect the different way their bodies respond to fats circulating in their blood during the first hours after a meal.
- Health & Medicine
Head to Head: Brain implants are better for Parkinson’s patients
Parkinson's patients who get electrodes surgically implanted in their brains regain some muscle control and have improved quality of life.
- Anthropology
Chimps spread out their tools
Chimpanzees use stones to crack nuts in an African region far from where that behavior was thought to be relegated.
- Anthropology
Mental Leap
As scientists discover traits shared by human and ape ancestors millions of years ago, they try to fill in the gaps of human evolution.
- Humans
Letters from the September 2, 2006, issue of Science News
B line “A Vexing Enigma: New insights confront chronic fatigue syndrome” (SN: 7/1/06, p. 10) implies that there’s not an available cure for chronic fatigue syndrome. I was amazed to find no mention of vitamin B12. I can attest to the remarkable effect. Earl L. PyeOak Hills, Calif. Limited evidence suggests that vitamin B12 absorption […]
- Humans
From the August 22, 1936, issue
Hummingbirds in flight, a cosmic-ray detector, and rare metals in meteorites.
- Humans
ThinkQuest Winners
In the ThinkQuest competition, teams of students from around the world create educational Web sites. Take a look at this year’s winners, which feature imaginative and engaging efforts on such topics as avian flu, mathematics history, information inequality in the digital age, minerals and mining, artificial intelligence, and more. Go to: http://www.thinkquest.org/aug05may06/index.shtml
