Early human activity has left a greater footprint on today's ecosystem than previously thought, say researchers working at the University of Pittsburgh and in the multidisciplinary Long Term Ecological Research (LTER) Network, ...
Ecology
Jun 1, 2012
3
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(Phys.org) -- The vascular system of a leaf provides its structure and delivers its nutrients. When you light up that vascular structure with some fluorescent dye and view it using time-lapse photography, details begin to ...
Mathematics
May 14, 2012
10
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(Phys.org) -- A diverse group of academic research scientists from across the U.S. have written a policy paper which has been published in the journal Science, suggesting that the time has come for all science journals to ...
(Phys.org) -- By studying lakes and streams, limnologists are able to learn how water systems work which is vital in a world where human population increases cause such resources to become ever more valuable. Thus, any new ...
(PhysOrg.com) -- The camera at the end of the robotic arm on NASA's Mars rover Curiosity has its own calibration target, a smartphone-size plaque that looks like an eye chart supplemented with color chips and an attached ...
Space Exploration
Feb 7, 2012
10
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Some climate cooling caused by past volcanic eruptions may not be evident in tree-ring reconstructions of temperature change because large enough temperature drops lead to greatly shortened or even absent growing seasons, ...
Earth Sciences
Feb 5, 2012
22
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A new study by Rice University's Baker Institute for Public Policy illustrates a disconnect between government funding of biomedical research by young investigators and a novel standard by which to judge it: the Nobel Prize.
Other
Jan 10, 2012
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Research by University of Tennessee, Knoxville, faculty has discovered that bacteria's move from sea to land may have occurred much later than thought. It also has revealed that the bacteria may be especially useful in bioenergy ...
Cell & Microbiology
Dec 22, 2011
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(AP) -- They may not be Sonny and Cher, but certain South American birds sing duets, taking turns as the tune goes along. "Calling it a love song is probably too strong a word," says researcher Eric S. Fortune of Johns Hopkins ...
Plants & Animals
Nov 3, 2011
0
0
(PhysOrg.com) -- Battery life and driving range are two sticky phrases in discussions about why EVs have yet to hit mainstream use. Drivers still feel skittish about the idea of setting out on longer trips on batteries lasting ...
