London Zoo seeks female mate for near-extinct fish
The London Zoo is urgently seeking a female mate for the last-known males of a critically endangered fish species.
May 10, 2013
5 / 5 (1)
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May 10, 2013
5 / 5 (1)
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Archaeologists uncover largest ancient dam built by Maya in Central America
Recent excavations, sediment coring and mapping by a multi-university team led by the University of Cincinnati at the pre-Columbian city of Tikal, a paramount urban center of the ancient Maya, have identified ...
Jul 16, 2012
4.9 / 5 (9)
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World's biggest beaver dam discovered in northern Canada
A Canadian ecologist has discovered the world's largest beaver dam in a remote area of northern Alberta, an animal-made structure so large it is visible from space.
May 06, 2010
4.9 / 5 (26)
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Japan eyes solar station in space as new energy source
It may sound like a sci-fi vision, but Japan's space agency is dead serious: by 2030 it wants to collect solar power in space and zap it down to Earth, using laser beams or microwaves.
Nov 08, 2009
4.8 / 5 (24)
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Americans use more efficient and renewable energy technologies
(Phys.org)—Americans used less energy in 2011 than in the previous year due mainly to a shift to higher-efficiency energy technologies in the transportation and residential sectors. Meanwhile, less coal ...
Oct 24, 2012
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Glacial thinning has sharply accelerated at major South American icefields
For the past four decades scientists have monitored the ebbs and flows of the icefields in the southernmost stretch of South America's vast Andes Mountains, detecting an overall loss of ice as the climate ...
Sep 05, 2012
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Optical fibers in materials: an artificial nervous system
(Phys.org)—When placed inside a material, optical fibers act like artificial nerves, transmitting valuable information about a structure's state of fatigue and wear. A new technique developed at EPFL makes ...
Aug 29, 2012
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Small dams, big impact on Mekong River fish: study
Governments must plan for migration in response to climate change, researchers say
Governments around the world must be prepared for mass migrations caused by rising global temperatures or face the possibility of calamitous results, say University of Florida scientists on a research team reporting in the ...
Oct 27, 2011
4.7 / 5 (7)
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Crossing the gap: Civil engineers develop improved method for detecting, measuring bridge damage
A ratings system developed by a group of Kansas State University researchers could keep bridges safer and help prevent catastrophic collapses.
Jul 19, 2012
4 / 5 (2)
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America's new wonder: a record-breaking bridge
America's greatest technological achievement, the Hoover Dam, now has a soaring companion piece, a massive looming bridge held up by the longest arch in the Western Hemisphere.
Oct 17, 2010
3.7 / 5 (9)
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'Sensing skin' could monitor the health of concrete infrastructure continually and inexpensively
In 2009, the American Society of Civil Engineers (ASCE) assigned the grade "D" to the overall quality of infrastructure in the U.S. and said that ongoing evaluation and maintenance of structures was one of ...
Jun 29, 2011
4.3 / 5 (3)
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Large dams can affect local climates, says new study
(PhysOrg.com) -- Large dams could have the potential to significantly alter local rainfall in some regions, according to a team of researchers including Roger Pielke Sr., of the Cooperative Institute for Research in Environmental ...
Feb 10, 2011
4.1 / 5 (7)
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New research questions hydroelectric emissions
Scientists have found that some reservoirs formed by hydroelectric dams emit more greenhouse gases than expected, potentially upsetting the climate-friendly balance of hydroelectric power.
Oct 11, 2010
3 / 5 (8)
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Turning the tide to energy
NASA researchers who developed a new way to power robotic underwater vehicles believe a spin-off technology could help convert ocean energy into electrical energy on a much larger scale. The researchers hope ...
Mar 06, 2009
3.4 / 5 (24)
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