How does the bacterium Shigella—the cause of a deadly diarrheal disease—detect that it's in a human host? Ohio University scientists have found that a biological "RNA thermometer" monitors whether the environment is right ...
Cell & Microbiology
May 21, 2013
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(Phys.org) —A team of researchers from Indiana State University has found that elephants can overheat when exercised in hot weather. In their paper published in The Journal of Experimental Biology, the group describes how ...
(Phys.org) —Until recently, the only primate known to hibernate as a survival strategy was a creature called the western fat-tailed dwarf lemur, a tropical tree-dweller from the African island of Madagascar.
Plants & Animals
May 2, 2013
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Scientists from ETH Zurich in Switzerland have shown for the first time that brown and white fat cells in a living organism can be converted from one cell type to the other. Their work, using mice as a model organism, provides ...
Cell & Microbiology
Apr 28, 2013
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(Phys.org) —Many newly formed stars are surrounded by what are called protoplanetary disks, swirling masses of warm dust and gas that can constitute the core of a developing solar system. Proof of the existence of such ...
Astronomy
Apr 2, 2013
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Knowing the temperatures that viruses, bacteria, worms and all other parasites need to grow and survive could help determine the future range of infectious diseases under climate change, according to new research.
Ecology
Feb 25, 2013
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(Phys.org)—Water transforms into a previously unknown structure in between a liquid and a vapor when in contact with alcohol molecules containing long oily chains, according to Purdue University researchers. However, around ...
Materials Science
Dec 3, 2012
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Gels that can be injected into the body, carrying drugs or cells that regenerate damaged tissue, hold promise for treating many types of disease, including cancer. However, these injectable gels don't always maintain their ...
Materials Science
Nov 15, 2012
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Dung beetles roll their feasts of dung away to avoid the hoards of other hungry competitors at the dung pile. But now a team of researchers from South Africa and Sweden have discovered that they also use their balls in another, ...
Plants & Animals
Oct 22, 2012
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(Phys.org)—Whale sharks, the world's biggest fish, can dive to chilly waters hundreds of metres deep but they need to return to the surface to warm up, according to a new study led by researchers from The University of ...
Plants & Animals
Oct 19, 2012
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