6,251 results
6,251 results for: Virus
- Agriculture
Of swine flu, pigs and a state fair
To date, federal monitoring has yet to turn up any U.S. pigs infected with the killer swine flu strain known as H1N1. But Agriculture Department Secretary Tom Vilsack announced yesterday that his agency’s veterinary labs would be reexamining whether any of the apparently healthy pigs exhibited last August 16 to Sept. 1 at the Minnesota state fair might have been infected with the virus. Why? “An outbreak of 2009 pandemic H1N1 influenza occurred in a group of children housed in a dormitory at the fair at the same time samples were collected from the pigs,” USDA notes
- Earth
Hazy antidote to a faint young sun
A new theory suggests atmospheric answer to the continuing paradox of why early Earth wasn’t icy.
- Animals
New HIV-1 group
Scientists have identified another variant of the virus that can cause AIDS.
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No Small Matter: Science on the Nanoscale by Felice C. Frankel and George M. Whitesides
Seemingly invisible objects such as viruses and molecules are imaged in rich detail through high-powered microscopes and photography. NO SMALL MATTER: SCIENCE ON THE NANOSCALE BY FELICE C. FRANKEL AND GEORGE M. WHITESIDES Belknap Press, 2009, 182 p., $35.
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Letters
Slumber science Your October 24 issue featuring sleep research was very interesting and helpful. However, it did not cover any research being done — there may be none — relating to the human brain and modern changes to the nighttime environment. For most of human history, not much activity could take place at night. The […]
- Life
Genetic analysis of swine flu virus reveals diverse parts
Detailed genetic analysis of the H1N1 swine flu virus indicates that its components have been present for years. The virus is still susceptible to drugs and vaccine development.
- Health & Medicine
Chimpanzees die from primate version of HIV
A new study links the simian immunodeficiency virus to serious AIDS-like illness in a wild population.
- Health & Medicine
Swine flu vaccination should target children first
A new analysis finds that, as long as it peaks this winter, the H1N1 flu outbreak could be curtailed with a vaccination program that targets children first.
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- Tech
2009 Science News of the Year: Technology
A polymer doped with a color-changing molecule turns red seconds before snapping. Credit: D. Stevenson, A. Jerez, A. Hamilton, D. Davis About to breakEngineers one day may not need to guess when a bridge is near its breaking point. New materials that flush red in response to damage may provide a visual warning sign of […]
- Plants
Chemists pin down poppy’s tricks for making morphine
Scientists have figured out two of the final key steps in the chain of chemical reactions that the opium poppy uses to synthesize morphine, suggesting possible signaling strategies for new ways of making the drug and its cousin painkillers.
- Health & Medicine
Rapid HIV treatment could slow growing TB rates
Widespread yearly testing and immediate treatment with antiretroviral drugs could avert more than 6 million tuberculosis cases in Africa, a new model finds.
