News tagged with current
Tsunami observed by radar
The tsunami that devastated Japan on March 11 was picked up by high-frequency radar in California and Japan as it swept toward their coasts, according to U.S. and Japanese scientists. This is the first time that a tsunami ...
Space & Earth / Earth Sciences
Aug 16, 2011 |
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Like humans, chimps are born with immature forebrains
In both chimpanzees and humans, portions of the brain that are critical for complex cognitive functions, including decision-making, self-awareness and creativity, are immature at birth. But there are important differences, ...
Aug 11, 2011 |
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A new kind of carbon explorer rides out the storm
Carbon Explorer floats follow ocean currents, yo-yoing back and forth in the first kilometer below the surface of the sea, then resurfacing to report their data and receive new instructions via satellite. ...
Space & Earth / Earth Sciences
Aug 02, 2011 |
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Elusive prey
Escape responses are some of the most studied behaviors by neurobiologists who want to understand how the brain processes sensory information. The ability to evade predators plays a vital role in the process of natural selection. ...
Jul 28, 2011 |
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With secondhand gene, 'freaky mouse' defeats common poison
Over millennia, mice have thrived despite humanity's efforts to keep them at bay. A Rice University scientist argues some mice have found two ways to achieve a single goal -- resistance to common poison.
Jul 21, 2011 |
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As agricultural riches waylay pollinators, an endangered tree suffers
For the conservation of species, hostile territory might sometimes have its advantages. That's according to a study of pollen flow among trees found only in remnant patches of native Chilean forest. The data show that the ...
Jul 21, 2011 |
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Sexless for a million years, stick bugs elude extinction
(PhysOrg.com) -- Simon Fraser University biologists say a species of stick insect found to be celibate for 1.5 million years raises questions about why these particular lineages have escaped extinction thus ...
Jul 19, 2011 |
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More marine protected areas needed to protect Mediterranean biodiversity
The setting up of a network of Marine Protected Areas, developed since the 1960s in the Mediterranean, has proved to be an effective way of protecting some species such as fish. However, despite the efforts ...
Jul 12, 2011 |
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Imec achieves breakthroughs in enabling future DRAM and RRAM
In the frame of its research on future memory architectures, imec has made breakthroughs for both DRAM and RRAM memories. For DRAM, MIMcap (metal-insulator-metal capacitor) was established as a clear candidate for 1X DRAM ...
Jul 12, 2011 |
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With climate changes, polar bear and brown bear lineages intertwine
Polar bears' unique characteristics allow them to survive in one of the most extreme environments on Earth, but that survival is now threatened as rising temperatures and melting ice reshape the Arctic landscape. Now it appears ...
Jul 07, 2011 |
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Evolution and domestication of seed structure shown to use same genetic mutation
For the first time, scientists have identified a mutation in plants that was selected twice - during both natural evolution and domestication.
Jul 07, 2011 |
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Ancestry of polar bears traced to Ireland
An international team of scientists has discovered that the female ancestor of all living polar bears was a brown bear that lived in the vicinity of present-day Britain and Ireland just prior to the peak of ...
Jul 07, 2011 |
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Specialized seeds can really float your boat
A new artificial surface inspired by floating seeds, which could provide an alternative to the toxic paints currently used to prevent fouling on ship hulls, has been developed by German scientists.
Jul 04, 2011 |
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Research reveals vital insight into spintronics
(PhysOrg.com) -- Progress in electronics has relied heavily on reducing the size of the transistor to create small, powerful computers. Now spintronics, hailed as the successor to the transistor, looks set ...
Jul 03, 2011 |
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Magnetic memory and logic could achieve ultimate energy efficiency
Future computers may rely on magnetic microprocessors that consume the least amount of energy allowed by the laws of physics, according to an analysis by University of California, Berkeley, electrical engineers.
Jul 01, 2011 |
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