Light waves could in principle be used to drive future transistors. Since the electromagnetic waves of light oscillate approximately one million times in a billionth of a second, i.e. at petahertz (PHz) frequencies, optoelectronic ...
General Physics
May 23, 2016
1
22
The history of Greenland's snowfall is chronicled in an unlikely place: the remains of aquatic plants that died long ago, collecting at the bottom of lakes in horizontal layers that document the passing years.
Earth Sciences
May 23, 2016
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291
The Romanian hacker known as Guccifer, who is charged with breaking into computer accounts of the Bush family, Secretary of State Colin Powell and others, is scheduled to plead guilty to federal charges.
Security
May 23, 2016
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6
Europe's Galileo sat-nav system, a rival to America's GPS, should move closer to operation with the launch Tuesday of a fresh pair of satellites to join a dozen already in space.
Space Exploration
May 23, 2016
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15
Using up all known fossil fuel reserves would render Earth even more unliveable than scientists had previously projected, researchers said on Monday.
Environment
May 23, 2016
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New U.S. Geological Survey-led research suggests that even though amphibians are severely declining worldwide, there is no smoking gun - and thus no simple solution - to halting or reversing these declines.
Ecology
May 23, 2016
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9
Humans have changed the world's oceans in ways that have been devastating to many marine species. But, according to new evidence, it appears that the change has so far been good for cephalopods, the group including octopuses, ...
Ecology
May 23, 2016
8
547
Rice University scientists have advanced their graphene-based de-icer to serve a dual purpose. The new material still melts ice from wings and wires when conditions get too cold. But if the air is above 7 degrees Fahrenheit, ...
Nanomaterials
May 23, 2016
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11
Unmanned aerial vehicles (UAVs), more popularly known as drones, are increasingly employed to monitor and protect wildlife. But researchers writing in the Cell Press journal Current Biology on May 23 say that steps should ...
Ecology
May 23, 2016
0
15
The lab of Rice University synthetic organic chemist K.C. Nicolaou has reported the streamlined total synthesis of delta12-prostaglandin J3, a molecule previously claimed to kill leukemic cancer cells.
Biochemistry
May 23, 2016
0
36
