Tiny ocean plants, or phytoplankton, were long thought to be passive drifters in the sea—unable to defy even the weakest currents, or travel by their own volition. In recent decades, research has shown that many species ...
Plants & Animals
Jul 15, 2013
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Intense pulsed light (IPL) is used to treat unwanted body and facial hair. The light emitted from IPL devices reduces hair growth by damaging individual hairs and therefore preventing their re-growth.
Engineering
Jan 23, 2013
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(Phys.org)—Catalysts are substances that speed up the rates of chemical reactions without themselves being chemically changed. Industrial catalysts come in two main types - heterogeneous, in which the catalyst is in a different ...
Materials Science
Oct 10, 2012
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(Phys.org) -- Fossil-based resources are declining and their use releases the greenhouse gas CO2. Both of these problems could be significantly mitigated if we could use CO2 as a carbon source for the production of fuels ...
Materials Science
Jul 24, 2012
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Species pairs that disappear through hybridization after human-induced changes to the environment can reemerge if the disturbance is removed, according to a new mathematical model that shows the conditions under which reemergence ...
Evolution
May 20, 2011
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For more than 40 years, an ambition of catalysis science has been to persuade homogeneous catalysts to behave more like heterogeneous catalysts, while still maintaining their activity and exquisite selectivity. Professor ...
Materials Science
Mar 7, 2011
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(PhysOrg.com) -- The development of environmentally friendly and efficient catalysts is a major challenge in the field of chemical research, with the focus now being placed on the search for inexpensive metal catalysts. At ...
Materials Science
Sep 16, 2010
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The more heterogeneous the community of an online chat channel, the more chances the channel has to survive over time. This has been concluded in a new joint study carried out by researchers of the University of Haifa and ...
Social Sciences
Mar 8, 2010
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Sometimes to see something properly, you have to stand farther back. This is true of Chuck Close portraits where a patchwork of many small faces changes into one giant face as you back away.
Ecology
Sep 22, 2009
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