On Sept. 19, 2014, the Operational Land Imager (OLI) on the Landsat 8 satellite captured these images of the King fire in Eldorado National Forest.
Earth Sciences
Sep 25, 2014
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Russian thistle, Salsola tragus (tumbleweed), has become an icon of the American West since arriving in the 1870s as a flax seed contaminant. Make no mistake, though: The weed is a menace. It outcompetes crops, clogs irrigation ...
Ecology
Sep 25, 2014
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Mirroring the climate using ones and zeros takes a lot of computing power. Scientists at Pacific Northwest National Laboratory found a way to reduce that power hungry need dramatically with a novel computational approach. ...
Earth Sciences
Sep 25, 2014
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Bacillus anthracis bacteria have very efficient machinery for injecting toxic proteins into cells, leading to the potentially deadly infection known as anthrax. A team of MIT researchers has now hijacked that delivery system ...
Biochemistry
Sep 25, 2014
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(Phys.org) —This week in New York, United Nations Secretary General Ban Ki Moon is hosting a Climate Summit. The Summit aims to 'catalyse action' on climate change among the 120 or so Heads of State in attendance. The Summit ...
Environment
Sep 25, 2014
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(Phys.org) —New research shows older people sentenced in federal district courts receive more leniency than younger offenders. The study was published Sept. 23 in the online edition of Criminal Justice Studies: A Critical ...
Social Sciences
Sep 25, 2014
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(Phys.org) —Proteins known as histones give structure to DNA, which coils around them like string on spools. But as is so often the case in biology, it turns out there is more to these structures than meets the eye. Scientists ...
Cell & Microbiology
Sep 25, 2014
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(Phys.org) —As climate change grips the Arctic, how much carbon is leaving its thawing soil and adding to Earth's greenhouse effect? The question has long been debated by scientists. A new study conducted as part of NASA's ...
Earth Sciences
Sep 25, 2014
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Nicole Gasparini was going upstream against a major trend in geologic research. Many geologists ascribe to the popular hypothesis about the formation of very steep mountain ranges: that a wet climate and heavy rainfall on ...
Earth Sciences
Sep 25, 2014
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(Phys.org) —A Virginia Tech geobiologist with collaborators from the Chinese Academy of Sciences have found evidence in the fossil record that complex multicellularity appeared in living things about 600 million years ago ...
Archaeology
Sep 25, 2014
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