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New bacteria linked to vaginal infections
Several newly described bacteria appear to share much of the responsibility for causing a common infection in women.
By Ben Harder - Health & Medicine
Kids’ vaccine guards adults too, for now
Serious infections caused by pneumococcus have decreased in both children and adults since the introduction of a childhood vaccine against seven strains of the bacterium, but other pneumococcus strains are now becoming more prevalent among adults with HIV.
By Ben Harder - Health & Medicine
Human antibody halts SARS in hamsters
Human-derived antibodies can not only prevent infections when given in advance of SARS exposure but also mitigate the symptoms of an infection already in progress.
By Ben Harder - Humans
What’s Wrong with This Picture?
Scientists and educators increasingly are using analyses of bad science in movies, as well as the good, to inform the public about scientific facts and principles.
By Sid Perkins -
19471
My response as an educator to much of the outrageous science depicted in so many of the recent blockbuster hits is very different from that of many of the scientists quoted in your article. The films provide a wonderful source of science projects that students actually relish. The more outrageous the science, the greater they […]
By Science News - Health & Medicine
Vitamin D: What’s Enough?
Most researchers studying vitamin D agree that many people would benefit from more of the vitamin, but they haven't yet decided just how much.
By Janet Raloff -
19470
I found your two articles on vitamin D very interesting. My question now is whether the rays received in a tanning bed can cause the skin to manufacture vitamin D. Wendy WadeKalamazoo, Mich. Ultraviolet–B radiation triggers the skin to produce vitamin D, whether those rays come from the sun or a lamp. However, not all […]
By Science News - Math
Randomness, Risk, and Financial Markets
A novel measure of disorder in a sequence of numbers can provide insights into financial markets.
- Humans
From the October 6, 1934, issue
Glass models of rotifers, anthrax as a threat among agricultural workers, and cosmic-ray studies in the stratosphere.
By Science News - Earth
Eye on Mount St. Helens
Keep an eye on the ongoing volcanic activity at Mount St. Helens in the state of Washington. Images taken by the Johnston Ridge Observatory’s VolcanoCam, at an elevation of about 4,500 feet, are updated roughly every 5 minutes. They’re snapped from a distance of about 5 miles from the volcano, looking approximately south-southeast across the […]
By Science News - Humans
Scrubbing Down: Free soap, hygiene tips cut kids’ illnesses
In urban slums, enhancing family hygiene can prevent about half of childhood diarrhea and respiratory illnesses, including pneumonia, even among infants too young to wash themselves.
By Ben Harder - Anthropology
Evolution’s Buggy Ride: Lice leap boldly into human-origins fray
A controversial genetic analysis of lice raises the possibility that some type of physical contact occurred between ancient humans and Homo erectus, probably in eastern Asia between 50,000 and 25,000 years ago.
By Bruce Bower