6,192 results
6,192 results for: Virus
- Health & Medicine
Pre-chewed baby food can spread HIV
An age-old cultural practice may offer new dangers in the era of AIDS.
- Life
2009 Science News of the Year: Genes & Cells
Cancer-fighting roles Scientists have discovered a new role in cancer protection for an already well-known tumor suppressor protein. The protein, called p53, protects cells from becoming cancerous by sensing stress and either shutting down cell division or triggering cell death. Researchers at the University of Tokyo and colleagues have discovered that p53 also plays a […]
- Planetary Science
Earth may be home to unearthly life
No need to look on other planets for new forms of life — weird life could exist right here on Earth.
- Health & Medicine
H1N1: Call to revise flu-mask policy
Three groups of healthcare professionals sent a letter to President Obama yesterday asking that he instruct his administration to revise federal flu-mask guidance. What these groups want: formal recognition that two studies last month showed conventional surgical masks are about as protective as the fancy — but much more expensive — N95 respirators in limiting H1N1 infection.
- Earth
Deep sea viruses are an unexpected ringer
Deep-sea vent waters harbor high numbers virus-carrying bacteria. The viruses may actually help the bacteria survive the harsh vent environments.
- Science & Society
Science literacy: U.S. college courses really count
Over the past two decades, science literacy in the United States – an estimate of the share of adults who can follow complex science issues and maybe even render an informed opinion on them – has nearly tripled. But – and it’s a big but -- the proportion of people who fall into this category remains small. Just 28 percent.
- Humans
Loneliness is contagious, study suggests
An analysis of social networks finds that people who feel isolated may spread mistrust among others.
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- Humans
Flu: Grim stats
Though risk of death from conventional flu strains escalates dramatically, beginning around age 45, a new study finds that masks do a fair job of slowing the infection's transmission.
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From sleep to science literacy at the 2010 AAAS meeting
Read Science News' complete coverage of the American Association for the Advancement of Science meeting held February 18–22, 2010 in San Diego, Calif.
- Chemistry
How RNA got started
Scientists identify chemical reactions that could be responsible for the origin of life.
