5,519 results
- Tech
Wheel of Life: Bacteria provide horsepower for tiny motor
Crawling bacteria can power a micromotor.
- Health & Medicine
Milk Therapy
Breast milk has long been known to be the best food for babies, but compounds in breast milk promise to be a tonic for many adult ills as well.
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Role Change: Mast cells show an anti-inflammatory side
Cells that cause inflammation in allergic skin reactions to poison ivy also produce a protein that subdues the reaction a few days later.
- Health & Medicine
Vaccine Harvest: Cholera fighter could be easy to swallow
An edible vaccine, made by genetically engineering rice, safeguards mice against the toxin produced by cholera bacteria.
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Salmonella illnesses traced to pet rodents
Hamsters and other pet rodents are probably underappreciated spreaders of salmonella bacteria.
- Tech
A Moment in the Life of a Cell: Microscopic scan images without intruding
A laser technique similar to a CAT scan produces 3-D images of living cells without the need for chemical staining.
- Earth
Cellulose Dreams
Turning cellulose from plants into ethanol for fuel could help lower greenhouse-gas emissions—but the conversion is far from straightforward.
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Cooked garlic still kills bacteria
Cooked garlic can kill bacteria, but less efficiently than raw garlic does.
- Health & Medicine
Do acid blockers let microbes reach the colon?
Suppressing stomach acid while taking antibiotics may allow drug-resistant bacteria to colonize the intestines.
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Oceans reveal secrets of viruses
Scientists have completed the first survey of virus DNA in oceans around the world.
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- Agriculture
Lettuce Liability
A new industry program to self-regulate most salad producers is forcing affected farmers to choose between adopting measures unfriendly to wildlife and a loss of major markets for their greens.
