5,618 results
5,618 results for: Bacteria
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Swell, a Pain Lesson: Gut microbes needed for immune development
Intestinal bacteria train the immune system to cause pain and swelling, but that's a good thing.
- Health & Medicine
Triggering autoimmune assaults
Mouth bacteria unleash inflammation-inducing protein
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- Earth
Methane even escapes from freezing permafrost
An extended field season reveals that the autumn freeze in the arctic squeezes methane from some high-latitude wetland soils, a match even for summertime methane release.
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- Animals
Antibiotic Alligator: Promising proteins lurk in reptile blood
Scientists are zeroing in on alligator blood proteins that show promise for fighting disease-causing microbes.
- Life
Rest in peace nanobacteria, you were not alive after all
New studies bid a fond farewell to nanobacteria -- the extremely tiny “microorganisms” that have sparked controversy and may cause disease.
- Paleontology
Fossils, now available in color
Fossilized feathers of an early bird or dinosaur may retain evidence of pigment, offering a chance to animal colors of the Cretaceous.
- Life
Genetic sameness could be factor in Tasmanian tiger extinction
The first complete mitochondrial genome of the Tasmanian tiger is revealed. Analysis shows little genetic diversity.
- Humans
Letters from the March 22, 2008, issue of Science News
The price of water In reference to the article “Going Down: Climate change, water use threaten Lake Mead” (SN: 2/23/08, p. 115), scarcity requires society to allocate. Usually markets do a better job than law at allocating efficiently and fairly. Lake Mead could remain full to the brim regardless of pending climate change. The quoted […]
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This article offers a mechanism to explain the hygiene hypothesis featured prominently in past issues of Science News. If exposure to microbes has a beneficial effect on the immune response of mice, it may also help humans as well. The relatively antiseptic environments that many Western children experience today as compared to the past may […]
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Mary, Mary, Quite Contrary . . .
How does her garden grow? From fertile dirt with rusty nails, beer, and bacteria. At least according to the Exploratorium in San Francisco. Now that spring has arrived, green thumbs are itching to get out and get planting, and this hands-on science museum in California has put together a Web site for experienced and budding […]
