5,615 results
5,615 results for: Bacteria
- Animals
Classic view of leaf-cutter ants overlooked nitrogen-fixing partner
A fresh look at a fungus-insect partnership that biologists have studied for more than a century uncovers a role for bacteria.
- Chemistry
Deep-sea plumes: A rush to judgment?
A new report suggests a deep-sea plume of oil in the Gulf of Mexico has been gobbled up by microbes. But the scientist who described the incident doesn't "know" that. He can't — yet.
- Health & Medicine
The Power of D
Sunshine vitamin’s potential health benefits stir up, split scientists.
- Life
How salmonella helps kill cancer cells
A bacterial foe gives the immune system a boost to seek and destroy melanoma. The findings may point to a vaccine for melanoma and other malignancies.
- Life
Genome from a bottle
Cells switch species when given synthetic DNA, an advance that could lead to designer organisms.
- Earth
Dinosaurs, in living color
Researchers find microscopic structures in some fossils that may have held pigments.
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Unnatural selection
Chemists build proteins with parts not in the typical toolkit.
- Plants
Chlorophyll gets an ‘f’
New variety of photosynthetic pigment is the first to be discovered in 60 years
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I, Mold
Conquering the rising tide of infection is hindered by the many similarities between humans and fungi.
- Life
Gene profiles may predict TB prognosis
A molecular profile may help doctors predict who will get sick from TB infections.
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Vitamin D is essential to the modern indoor lifestyle
It’s known that vitamin D is necessary for proper bone formation and maintenance. But recent decades have seen a torrent of studies suggesting that vitamin D can also affect many other aspects of health; some scientists have come to consider the daily recommended intake of 400 international units of vitamin D far too low. Michael […]
- Chemistry
Guards of the blood-brain barrier identified
Specialized cells called pericytes are crucial to protecting the central nervous system, two new studies demonstrate.
