(PhysOrg.com) -- The decline of large predators and other "apex consumers" at the top of the food chain has disrupted ecosystems all over the planet, according to a review of recent findings conducted by an international ...
Ecology
Jul 19, 2011
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(PhysOrg.com) -- As anyone who has ever used a Windows based computer for any length of time knows, the longer you have it, the slower it goes; this is because of the accumulation of data files and entries in system logs; ...
(PhysOrg.com) -- Suppose at some point the universe ceases to expand, and instead begins collapsing in on itself (as in the “Big Crunch” scenario), and eventually becomes a supermassive black hole. The black hole’s ...
(PhysOrg.com) -- The solitary and mysterious lives of British otters are being uncovered by Cardiff scientists – thanks to help from the public.
Plants & Animals
Jul 19, 2011
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At the site of a terrorist attack, an earthquake or a tsunami, emergency responders are focused on search and rescue, and saving lives.
Social Sciences
Jul 19, 2011
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The microbial flora of the termite gut are necessary both for cellulose digestion and normal reproduction, and feeding the insects antibiotics can interfere in these processes, according to a paper in the July issue of the ...
Cell & Microbiology
Jul 19, 2011
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Knowing how trees grow and how they age may be key to further understanding how trees react to a warmer climate, for instance, and other changes. Little is known, however, about the cause of the physical changes associated ...
Environment
Jul 19, 2011
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Recent botanical exploration efforts in the rugged Marquesas Islands (French Polynesia) have increased the known flora of the archipelago by an impressive 20%. Field research and collecting in conjunction with the Vascular ...
Ecology
Jul 19, 2011
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Populations of spur-thighed tortoises (Testudo graeca), a species classified as vulnerable and at risk of extinction, can withstand fires if outbreaks occur once every three decades or more. However, the youngest tortoises ...
Ecology
Jul 19, 2011
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(PhysOrg.com) -- Evolution is based on heredity, changes to the genetic material (mutation), and the natural selection of those organisms that are best suited to the given environmental conditions. An international team led ...
Biochemistry
Jul 19, 2011
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