6,170 results
- Animals
West Nile virus hits bird populations
West Nile virus has hammered populations of five common North American birds.
- Health & Medicine
Surviving HIV
Since the development in the mid-1990s of a state-of-the-art drug cocktail for HIV, patient survival has extended dramatically, a new study shows.
- Plants
Parasitic plant gets more than a meal
The parasitic vine known as dodder really sucks. It pierces the tissue of other plants — some of which are important crops — extracting water and nutrients needed for its own growth. But it also consumes molecules that scientists could manipulate to bring on the parasite’s demise.
- Tech
Biowarfare: Engineered virus can invade bacterial film
A genetically engineered virus not only kills bacteria but makes an enzyme that breaks up the biofilm in which the bacteria live.
- Health & Medicine
Infectious Obesity: Adenovirus fattens stem cells
Some cases of obesity may result from infection by a virus that can transform adult stem cells into fat-storing cells.
- Life
Leaf clippings as protein factories
Using plants to mass produce proteins for vaccines and other purposes may soon be possible without genetically engineering whole plants.
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From the October 16, 1937, issue
Biological prospecting on two remote mesas near the Grand Canyon, a newly described and widespread form of meningitis, and primate fossils from the Crazy Mountains of Montana.
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Hold the Embryos: Genes turn skin into stem cells
Scientists have found a way to convert a person's skin cells directly into stem cells without creating and destroying embryos.
- Health & Medicine
HIV is double trouble for brain
The virus that causes AIDS can also cause dementia, by both killing mature brain cells and blocking the creation of new ones.
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- Health & Medicine
Nongene DNA boosts AIDS risk
People with a newly discovered genetic variation are more vulnerable to HIV infection.
- Animals
Antibiotic Alligator: Promising proteins lurk in reptile blood
Scientists are zeroing in on alligator blood proteins that show promise for fighting disease-causing microbes.
