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Thousands of teenagers from around the world have submitted a science project to the Google Science Fair . Now it's your turn to participate

For capturing the sun's copious energy, there are basically two available engineering models: photovoltaic (PV) cells that turn it into flowing electrons or photosynthetic plants that turn it into plant food. So which does the job better? After all, such a judgment might help inform whether policymakers pursue biofuels or solar electricity

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May 12 (Reuters) - Heavy flooding in the U.S. Midwest continued to shutOhio River terminals, limited barge movements and threatened to disrupt [More]

By Roberta Rampton WASHINGTON (Reuters) - A U.S. task force examining the disaster at Japan's Fukushima Daiichi plant expects to find ways to improve safety at the country's 104 U.S. nuclear plants but has not found any major problems in its first 30 days of work

By Ayesha Rascoe WASHINGTON (Reuters) - The U.S. offshore drilling regulator has approved a Royal Dutch Shell plan for deepwater oil and gas exploration in the Gulf of Mexico.

We’re a seasick crew. Sara, Nastassja and I take turns leaning over the railing while the three surfers on board--JP, Justin and Mary--lay supine on the deck trying to move as little as possible. When the boat jolts from side to side I grip the railing tighter, fending off images of capsizing

Key concepts Cells [More]

African Anopheles mosquitoes find us by our carbon-dioxide-rich exhalation. But when they get close they turn away from our heads and dive for our feet--apparently their preferred snack spot

Most forms of cancer still must be spotted visually to be diagnosed. But if a newly devised virus can do the job, it could track down cancer cells too small or well hidden to be seen in scans. It might also help shrink tumors , too.

By Heidi Ledford of Nature magazine Cells taken from the tips of mouse tails and genetically reprogrammed to mimic mature liver cells can repair damaged livers.

With the market for hybrid automobiles picking up steam , it makes sense for tomorrow's engineers to get a feel for designing and building cars powered by a combination of internal combustion and electricity. Hybrid technology is far from an exact science, however, as student engineers found out last week at the Formula Hybrid International competition held at the New Hampshire Motor Speedway in Loudon, N.H. [More]

BALTIMORE--Dark matter pervades the universe, giving shape to the cosmos on the grandest scales. So perhaps it is fitting that physicists are turning to a large-scale physics experiment to uncover what dark matter is made of. [More]

By James Mitchell Crow of Nature magazine Fossilized dinosaur tracks that dot a remote 80-kilometre stretch of Western Australia's coastline are under threat from a proposed natural gas facility, say paleontologists. The tracks were made by multiple species of sauropod, theropod and ornithopod dinosaurs as they walked across mud flats around 130 million years ago.