In recent years, a body of publications in the microbiology field has challenged all previous knowledge of how antibiotics kill bacteria. "A slew of papers came out studying this phenomenon, suggesting that there is a general ...
Cell & Microbiology
Mar 11, 2013
2
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According to his theory, bacteria that are non-resistant to antibiotics acquire said resistance accidentally because they take up the DNA of others that are resistant, due to the stress to which they are subjected.
Cell & Microbiology
Mar 7, 2013
2
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No clear evidence exists to support the idea that celiac disease is increasing in prevalence because farmers are growing strains of wheat that contain more gluten. That's the conclusion of an article in the ACS' Journal of ...
Biochemistry
Feb 6, 2013
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(Phys.org)—Rebutting a speculative hypothesis that comet explosions changed Earth's climate sufficiently to end the Clovis culture in North America about 13,000 years ago, Sandia lead author Mark Boslough and researchers ...
Space Exploration
Jan 30, 2013
14
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(Phys.org)—Comet explosions did not end the prehistoric human culture, known as Clovis, in North America 13,000 years ago, according to research published in the journal Geophysical Monograph Series.
Earth Sciences
Jan 30, 2013
47
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(Phys.org)—The Stress Gradient Hypothesis holds that as stress increases in an ecosystem, mutually supportive interactions become more significant and negative interactions, such as competition, become less so. The idea ...
Ecology
Jan 30, 2013
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(Phys.org)—A University of Alberta researcher's examination of fossilized dinosaur tail bones has led to a breakthrough finding: some feathered dinosaurs used tail plumage to attract mates, much like modern-day peacocks ...
Archaeology
Jan 16, 2013
2
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In the North American Arctic the Mackenzie River courses into the Beaufort Sea, the outlet of a watershed that drains a vast swath of the western Canadian landscape. At the river's mouth, the Mackenzie Delta is a broad floodplain ...
Earth Sciences
Jan 15, 2013
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(Phys.org)—The dominant factors in the rise and fall of the diversity of life on Earth has been a point of debate for scientists nearly as long as they have studied the processes of evolution.
Earth Sciences
Jan 10, 2013
1
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A recently published paper by two George Washington University researchers shows that the running foot strike patterns vary among habitually barefoot people in Kenya due to speed and other factors such as running habits and ...
Other
Jan 9, 2013
1
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