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Thursday, April 1, 2010 12:03 AM PDT

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Today's Science News: To scientists, laughter is no joke — it's serious Mars rover Spirit misses communication session Everglades deal in jeopardy after judge's ruling When Did April Fool's Day Begin? Recharging debate, Obama expands offshore drilling Obama plan expands offshore oil drilling NASA Eyes Nuclear Power Glitch for Ambitious New Mars Rover Working-Memory Gene Linked to Schizophrenia Atom smasher will help reveal 'the beginning' Elephants move like 4x4s: scientists Farmer Discovers Fossil of Ant-Eating Dinosaur Ships face new emissions rules in North American waters The nation's weather Clouds May Hold Key to Why Early Earth Didn't Freeze Over Human Genome Turns 10 Obama seeks compromise in offshore drilling plan Judge OKs 2 new hospitals in historic New Orleans To scientists, laughter is no joke — it's serious Wed, 31 Mar 2010 06:31 pm PDT AP - So a scientist walks into a shopping mall to watch people laugh. There's no punchline. Laughter is a serious scientific subject, one that researchers are still trying to figure out. Full Story Top Mars rover Spirit misses communication session Wed, 31 Mar 2010 08:53 pm PDT AP - The aging, sand-trapped Mars rover Spirit failed to make a scheduled communication this week and may have gone into a power-saving hibernation to survive the Red Planet's winter, NASA's Jet Propulsion Laboratory said Wednesday. Full Story Top Everglades deal in jeopardy after judge's ruling Wed, 31 Mar 2010 08:52 pm PDT AP - Gov. Charlie Crist's grand plan to revive the dying Florida Everglades by buying back the land is in jeopardy after a federal judge Wednesday ordered the state to resume construction on a multimillion-dollar restoration project. Full Story Top When Did April Fool's Day Begin? Wed, 31 Mar 2010 03:10 pm PDT LiveScience.com - Though pranksters and joke-lovers in many countries now gleefully prepare to dupe friends and loved ones on April Fool's Day, no one knows exactly when or why, or even where, this tradition began. Full Story Top Recharging debate, Obama expands offshore drilling Wed, 31 Mar 2010 11:30 pm PDT AP - Shaking up years of energy policy and his own environmental backers, President Barack Obama threw open a huge swath of East Coast waters and other protected areas in Alaska and the Gulf of Mexico to drilling Wednesday, widening the politically explosive hunt for more homegrown oil and gas. Full Story Top Obama plan expands offshore oil drilling Wed, 31 Mar 2010 08:14 pm PDT AFP - President Barack Obama announced a plan to expand oil drilling off US coasts, drawing protests from green groups but charges by Republicans it did not go far enough. Full Story Top NASA Eyes Nuclear Power Glitch for Ambitious New Mars Rover Wed, 31 Mar 2010 01:45 pm PDT SPACE.com - NASA's next red planet probe, the Mars Science Laboratory – now dubbed Curiosity – has been years in development and overcome numerous hurdles. Now engineers are taking a close look at the car-sized rover's nuclear power plant. Full Story Top Working-Memory Gene Linked to Schizophrenia Wed, 31 Mar 2010 08:49 pm PDT HealthDay - WEDNESDAY, March 31 (HealthDay News) -- Schizophrenia may be caused by a genetic mutation that disrupts communication between the hippocampus and prefrontal cortex regions, areas of the brain involved in working memory, U.S. researchers report. Full Story Top Atom smasher will help reveal 'the beginning' Tue, 30 Mar 2010 06:13 pm PDT AP - The world's largest atom smasher threw together minuscule particles racing at unheard of speeds in conditions simulating those just after the Big Bang — a success that kick-started a megabillion-dollar experiment that could one day explain how the universe began. Full Story Top Elephants move like 4x4s: scientists Tue, 30 Mar 2010 05:44 am PDT AFP - Elephants' legs work like a four-wheel drive vehicle, making them probably unique in the animal kingdom, scientists said on Tuesday. Full Story Top Farmer Discovers Fossil of Ant-Eating Dinosaur Tue, 30 Mar 2010 11:35 am PDT LiveScience.com - A newfound ant-eating dinosaur was one of the smallest known and also one of the best adapted for running, scientists revealed. Full Story Top Ships face new emissions rules in North American waters Wed, 31 Mar 2010 06:58 pm PDT Y! Green - The EPA and the International Maritime Organization have announced stricter emissions regulations for ships operating in the waters off the coast of the U.S. and Canada. Full Story Top The nation's weather Wed, 31 Mar 2010 02:26 am PDT AP - Snowy weather with near-blizzard conditions was forecast to persist over the Rocky Mountains on Wednesday. Full Story Top Clouds May Hold Key to Why Early Earth Didn't Freeze Over Wed, 31 Mar 2010 12:06 pm PDT SPACE.com - A paradox about the climate of the early Earth that has been plaguing scientists for nearly 50 years may have a new solution. Full Story Top Human Genome Turns 10 Wed, 31 Mar 2010 08:49 pm PDT HealthDay - WEDNESDAY, March 31 (HealthDay News) -- A decade after the sequencing of the human genome, scientists muse on how far they've come and how far there is still to go. Full Story Top Obama seeks compromise in offshore drilling plan Wed, 31 Mar 2010 04:36 pm PDT The Christian Science Monitor - Offshore oil and gas drilling will move ahead in Atlantic waters from Virginia to mid-Florida, westward in the Gulf of Mexico from125 miles off Florida's coast, and off parts of Alaska's northern coast, President Obama announced Wednesday. Full Story Top Judge OKs 2 new hospitals in historic New Orleans Wed, 31 Mar 2010 05:45 pm PDT AP - A judge has allowed two hospitals to be built to replace ones damaged by Hurricane Katrina despite objections by preservationists that the projects would wipe out a historic New Orleans neighborhood. Full Story Top

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