Microbes
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Health & Medicine
Triclosan aids nasal invasions by staph
The antimicrobial compound triclosan, commonly found in soaps and toothpaste, may help Staphylococcus aureus stick around.
By Beth Mole -
Climate
Ocean bacteria may have shut off ancient global warming
Ocean-dwelling bacteria may have helped end global warming 56 million years ago by gobbling up carbon from the CO2-laden atmosphere.
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Life
Amoebas’ munching may cause diarrheal disease
Amoebas biting and swallowing pieces of human cells may be what causes amebic dysentery, a potentially fatal diarrheal disease in the developing world.
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Paleontology
Microbes indicted in ancient mass extinction
About 252 million years ago an estimated 96 percent of all species were wiped from Earth, and now scientists have a new suspect in the killing — methane-belching microbes.
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Health & Medicine
Imbalance in gut bacteria may play role in Crohn’s disease
Identifying the onset of Crohn’s disease may best be done by looking at bacteria in the cellular linings intestinal tissue.
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Microbes
Power-packed bacterial spores generate electricity
With mighty bursts of rehydration, bacterial spores offer a new source of renewable energy.
By Beth Mole -
Animals
It doesn’t always take wings to fly high
Microbes, bees, termites and geese have been clocked at high altitudes, where air density and oxygen are low.
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Health & Medicine
H7N9 flu makes a comeback
Scientists warn that the risk that the illness could spread remains.
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Genetics
Microbe and human genes influence stomach cancer risk
When genes of the bacterium and its human host evolve together, the strain is less harmful than that same strain in a person whose ancestors didn't encounter that particular microbe.
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Life
Marine microbes shed packets of DNA, nutrients
The world’s most abundant marine microorganism, the photosynthetic bacteria Prochlorococcus, spits out nutrient-rich vesicles into ocean waters, perhaps for genetic exchange or as a survival mechanism.