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Friday, January 28, 2011 12:02 AM PST

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Today's Science News: Challenger: 25 years later, a still painful wound Reagan's memorable speech on Challenger disaster Humans may have left Africa earlier than thought NASA honors astronauts lost from Apollo, shuttles Strange Claim: The Sun Rose 2 Days Early in Greenland 10 cancer-causers to remove from your home Indian leader: Unleash energy on tribal lands NASA's Day of Remembrance for Apollo 1, Challenger and Columbia Gene Mutation May Protect Blacks From Heart Disease Hu visit sees US, China ink giant deal on pandas Potential scams top 7,000 in BP spill compensation The nation's weather For Fully Mature Black Holes, Time Stands Still USDA will allow planting of modified alfalfa Obama seeks new path to environmental goals Northeast recovers from wet, heavy snowstorm Challenger: 25 years later, a still painful wound Thu, 27 Jan 2011 09:26 pm PST AP - For many, no single word evokes as much pain. Full Story Top Reagan's memorable speech on Challenger disaster Thu, 27 Jan 2011 10:00 pm PST AP - Text of President Ronald Reagan's address to the nation after the explosion of the space shuttle Challenger, which killed seven astronauts. It was delivered from the Oval Office of the White House at 5 p.m. EST on Jan. 28, 1986. Full Story Top Humans may have left Africa earlier than thought Thu, 27 Jan 2011 01:23 pm PST AP - Modern humans may have left Africa thousands of years earlier than previously thought, turning right and heading across the Red Sea into Arabia rather than following the Nile to a northern exit, an international team of researchers says. Full Story Top NASA honors astronauts lost from Apollo, shuttles Thu, 27 Jan 2011 12:01 pm PST AP - NASA paused Thursday to remember the 17 astronauts lost in the line of duty. Full Story Top Strange Claim: The Sun Rose 2 Days Early in Greenland Tue, 18 Jan 2011 02:20 pm PST LiveScience.com - Residents of a town on the western coast of Greenland may have seen the sun peek over the horizon 48 hours earlier than its usual arrival on Jan. 13, sparking speculation, and disagreements, over possible causes. Full Story Top 10 cancer-causers to remove from your home Thu, 27 Jan 2011 04:44 pm PST Y! Green - Given poor government regulation, many of the cleaning products available on the market contain "everyday" carcinogens such as formaldehyde, nitrobenzene, methylene chloride, and napthelene, as well as reproductive toxins and hormone disruptors. Not to mention other ingredients that cause liver, kidney and brain damage, allergies and asthma. Full Story Top Indian leader: Unleash energy on tribal lands Thu, 27 Jan 2011 03:26 pm PST AP - To achieve energy independence, the United States should focus on tribal lands with vast untapped supplies of coal, natural gas, oil and wind, the leader of the nation's largest Indian organization said Thursday. Full Story Top NASA's Day of Remembrance for Apollo 1, Challenger and Columbia Thu, 27 Jan 2011 04:47 pm PST ContributorNetwork - The last Thursday in January is considered a day of remembrance at NASA, honoring those astronauts who died in the line of duty. They include the crews of Apollo 1,STS 51-L Challenger, and STS-107 Columbia. Full Story Top Gene Mutation May Protect Blacks From Heart Disease Thu, 27 Jan 2011 08:48 pm PST HealthDay - THURSDAY, Jan. 27 (HealthDay News) -- About one-fourth of all black men and women carry a genetic mutation that dramatically reduces their risk for coronary artery disease, new research reveals. Full Story Top Hu visit sees US, China ink giant deal on pandas Thu, 20 Jan 2011 08:18 am PST AFP - China deployed a powerful tool from its diplomatic trove during President Hu Jintao's visit Wednesday, announcing it will let two giant pandas spend five more years in the United States. Full Story Top Potential scams top 7,000 in BP spill compensation Thu, 27 Jan 2011 04:40 pm PST AP - The $20 billion fund responsible for compensating victims of BP's Gulf of Mexico oil spill has received more than 7,000 potentially fraudulent claims, many of which have been referred to the Justice Department for criminal investigations, the fund's administrator told a Senate panel on Thursday. Full Story Top The nation's weather Thu, 27 Jan 2011 02:01 am PST AP - A strong winter storm moving up the Eastern Seaboard will bring more significant snowfall to the Northeast on Thursday. Full Story Top For Fully Mature Black Holes, Time Stands Still Thu, 27 Jan 2011 12:30 pm PST SPACE.com - The end of a black hole’s evolution may be a mind-bending kind of space-time independent of time. A new study proposes a method to tell how far any black hole is from reaching this end state. Full Story Top USDA will allow planting of modified alfalfa Thu, 27 Jan 2011 03:23 pm PST AP - The Agriculture Department is allowing widespread planting of genetically modified alfalfa, attempting to bring to a close a lengthy legal and regulatory process in which organic producers attempted to curtail the use of the modified crop. Full Story Top Obama seeks new path to environmental goals Thu, 27 Jan 2011 12:27 pm PST AP - Facing a Congress that is more hostile to environmental regulation, President Barack Obama is moderating his environmental goals: a clean energy standard that mixes nuclear, natural gas and "clean coal" with renewable sources such as wind and solar. Full Story Top Northeast recovers from wet, heavy snowstorm Thu, 27 Jan 2011 01:47 pm PST Reuters - The Northeast dug out of yet another winter storm on Thursday that pummeled the region with unexpectedly heavy snowfall, making January the snowiest month in New York in more than 85 years. Full Story Top

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