5,519 results
- Health & Medicine
The Beef about UTIs
Antibiotic-resistant infections that affect some women may have been contracted from infected meat.
- Health & Medicine
Phage Attack: Antibacterial virus might suppress cholera
Bacteria-attacking viruses that infect bacteria hold cholera bacteria in check throughout most of the year except during the rainy season when these viruses become diluted.
- Earth
Life thrived below solid ice shelf
A survey of a segment of Antarctic seafloor that until recently had laid beneath a thick, floating ice shelf for thousands of years has revealed an ecosystem apparently based on chemical nourishment, not sunshine.
- Chemistry
Bacteria send out molecular scrounger for copper
Scientists have discovered the organic molecule that bacteria use to take up copper, which the microbes then use to chemically crack methane.
- Earth
Joining the Resistance: Drug-immune microbes waft over hogs
Many bacteria found floating within a farm building are invulnerable to multiple antibiotics, confirming that airborne dispersal could spread drug-resistant microbes from animals to people.
- Tech
Muck Tech: Natural enzyme displaces precious metal in fuel cell
A prototype fuel cell uses an enzyme from a soil microbe to generate electricity from hydrogen rather than from rare and expensive metal catalysts such as platinum.
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Staph bacteria are choosy about their iron source
Staphylococcus bacteria prefer to get their iron from heme, the ring-shaped portion of oxygen-carrying proteins such as hemoglobin.
- Chemistry
Hungry for Hydrogen: Microbes in hot springs feed on unlikely source
Microbes dwelling in Yellowstone National Park's hot springs draw their energy not from sulfur but from hydrogen.
- Math
Hospitals motivated to skimp on infection control
A new mathematical model suggests that the presence of nearby hospitals may give a hospital an economic incentive to relax its infection-control efforts.
- Health & Medicine
Drugs counteract irritable bowel syndrome
Antibiotics can knock out bacteria overload in the small intestine, temporarily reversing irritable bowel syndrome.
- Health & Medicine
Tracking down an emerging disease
By examining geographic patterns of outbreaks of a disfiguring skin disease in tropical nations, scientists are finding tentative clues about how the ailment spreads.
- Earth
Bacteria found to release arsenic into groundwater
Arsenic gets into groundwater largely through the action of bacteria residing in aquifer sediments.
