6,170 results
- Earth
Infectious stowaways
A new study finds that ballast water can move huge quantities of cholera germs and other microbes between ports around the globe.
- Humans
From the July 28, 1934, issue
Swamp dinosaur fossils found in Wyoming, secrets of famous violin makers revealed, and a cancer-causing virus.
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Crippled fungus acts as vaccine
A genetically crippled strain of yeast can vaccinate mice against deadly normal strains.
- Humans
Student Scientists to Watch: With diverse ideas, young talents win big in annual competition
With science projects by 40 of the nation's brightest high school students arrayed before them last week, judges had the task of weighing the merits of undertakings as diverse as the study of deep-sea volcanism and the development of a promising new antibiotic.
- Health & Medicine
Measuring HIV’s Cost: Treatment adds years, but many still miss out
Medical care for people infected with HIV has already saved about 2 million years of life in the United States, but more than 200,000 HIV-infected Americans are not benefiting from drugs that could extend their lives.
- Health & Medicine
Assault on Autism
A shift in scientific thinking about what causes autism is prompting a closer look at potential environmental factors.
- Health & Medicine
Malaria vaccine waylays parasite in liver
A new malaria vaccine tested in chimpanzees spurs an immune response against the parasite as it passes through the liver, halting it in most cases before it can get into the bloodstream and cause symptoms of the disease.
- 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.
- Health & Medicine
SARS vaccine tests well in mouse model
Scientists have developed a DNA vaccine that stops the SARS infection in mice.
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Worst of Two Worlds: Hybrid mosquitoes spread West Nile virus
Interbreeding between two Old World mosquito species may explain why their blood-sucking brethren in the United States transmit West Nile virus to people as readily as they do.
- Humans
Letters from the April 10, 2004, issue of Science News
Inaction verbs? Regarding “The Brain’s Word Act: Reading verbs revs up motor cortex areas” (SN: 2/7/04, p. 83: The Brain’s Word Act: Reading verbs revs up motor cortex areas), did the researchers image the brains of disabled people who know the meaning of a verb but can’t perform the action, or of people without any […]
- Chemistry
Velcro Therapy: Branching polymer wards off scarring after eye surgery
Specially designed polymer molecules called dendrimers reduce scar tissue formation after glaucoma surgery, dramatically improving the procedure's outcome.
