5,519 results
5,519 results for: Bacteria
- Health & Medicine
A Brew for Teeth—and the Rest of You
Globally, in terms of its popularity as a drink, tea ranks second only to water. While most people began sipping this brew for its taste and its ability to sooth the palate, researchers have recently turned up a variety of reasons to reinforce tea-quaffing habits. The newest: It slows the growth of germs that lead […]
- Health & Medicine
Loosen Up
Bacterial toxin may lead to less painful treatments for diabetes and brain cancer.
- Earth
Composting cuts manure’s toxic legacy
Composting manure reduces its testosterone and estrogen concentrations, limiting the runoff of these hormones, which can harm wildlife.
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From the January 9, 1932, issue
DR. ABEL OF JOHNS HOPKINS ELECTED NEW AAAS HEAD Dr. John J. Abel, professor of pharmacology at the Johns Hopkins Medical School, Baltimore, has been elected president of the American Association for the Advancement of Science for 1932. This action was taken at the annual meeting of the Association in New Orleans. Dr. Abel succeeds […]
- Agriculture
Slugging It Out with Caffeine
Anyone who has raised tomatoes in a moist environment knows the tell-tale sign: Overnight, a ripe, juicy orb sustains a huge, oozing wound. If you arrive early, you might catch the dastardly culprit: a slug. In one test, scientists sprayed soil with dilute caffeine and then watched as slugs, like this one, made haste to […]
- Health & Medicine
Enzyme defends germ against stomach acid
The newly solved structure of a Helicobacter pylori acid-fighting enzyme has scientists divided about how the enzyme works.
- Health & Medicine
Vaccine Power: Immune cells target cancerous tissue
Researchers are enlisting a person's own immune system to attack prostate tissue, including cancerous cells.
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Undercooking makes germs strong
Precooking servings to sublethal temperatures before the final cooking actually makes germ killing more difficult.
- Earth
Scientists spy sixth undersea-vent ecology
A new group of hydrothermal vents found in the Indian Ocean are populated by communities of organisms that differ significantly from other such groups of vent systems.
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Bacterial cells reveal skeletal structures
The finding of a cytoskeleton in Bacillus subtilis bacteria eliminates a fundamental difference between bacteria and higher (eukaryotic) cells.
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The Meaning of Life
Computers are unscrambling genomes to reveal the secrets in DNA codes.
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18932
Please explain a curious statement in “A more perfect union.” The article paraphrases Jonas Sandstrom of Uppsala University in Sweden as suggesting that an “endosymbiont’s isolation may be a one-way ticket to extinction. Once the bacterium loses genes . . . it has no way of getting them back. It can’t, therefore, evolve away from […]
