(Phys.org) —When a molten material cools quickly, parts of it may have enough time to grow into orderly crystals. But if the cooling rate is too fast for the entire melt to crystallize, the remaining material ends up in ...
Condensed Matter
Jul 30, 2013
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0
In nature, how do host species survive parasite attacks? This has not been well understood, until now. A new mathematical model shows that when a host and its parasite each have multiple traits governing their interaction, ...
Plants & Animals
Mar 4, 2012
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Back in the bad old days when teenagers smoked cigarettes to be cool, it wasn't unusual for a teenage girl to surreptitiously pocket a cigarette butt left behind by a boy she had a crush on.
Environment
Sep 6, 2013
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As modern medical science has become increasingly aware of the positive role that bacteria and other microorganisms can play in our health, a mystery has emerged: How is it that beneficial microbial communities can sometimes ...
Cell & Microbiology
Aug 13, 2020
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650
(Phys.org)—Though not often considered beyond the plasma television, small-scale microplasmas have great utility in a wide variety of applications. Recently, new developments have begun to capitalize on how these microplasmas ...
Plasma Physics
Oct 16, 2012
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Microorganisms—in particular bacteria—are skillful chemists that can produce an impressive diversity of chemical compounds known as natural products. These metabolites provide the microbes major evolutionary advantages, ...
Cell & Microbiology
May 6, 2023
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27
A new look at the diets of ancient African hominids shows a "game changer" occurred about 3.5 million years ago when some members added grasses or sedges to their menus, according to a new study led by the University of Colorado ...
Archaeology
Jun 3, 2013
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A new study of an ancient period that is considered the closest natural analog to the era of modern human carbon emissions has found that massive volcanism sent great waves of carbon into the oceans over thousands of years—but ...
Earth Sciences
Sep 14, 2020
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206
A hardy type of bacteria recently discovered in the permafrost of Siberia could help slow down the ageing process, Russian scientists claimed on Tuesday.
Biochemistry
Jan 17, 2012
4
0
ver wondered how a molecular nanomotor works when repairing DNA or transporting material such as organelles in the cell? Typically, nanomotors move along biopolymer filaments to go about their duties in the cell. To do ...
Bio & Medicine
Apr 12, 2016
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