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October 8, 2008 5:04:22 AM CDT

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Stories related to: microorganisms

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3 Stories

  • May 2008

    • Asteroids Could Reseed a Devastated Earth

      Astrobiology Magazine  |  May 18, 08 3:13 PM CDT

      Asteroids Could Reseed a Devastated Earth

      (Newser) - If a comet ever obliterates life on Earth, don't worry—space rocks could later fall in and reseed a few basic life forms. A new study shows that organisms can survive being hit by a meteor, ejected into space, and hurtled back to Earth on the face of a rock—which is good news should we ever go the way of the dinosaurs, Astrobiology reports. More »

      Tags

      space  • Mars  • Earth  • asteroid  • life  • space debris  • microorganisms  • meteorites

  • January 2008

    • Gene Tweaking Dramatically Extends Life

      LiveScience  |  Jan 14, 08 5:33 PM CST

      Gene Tweaking Dramatically Extends Life

      (Newser) - In a breakthrough that may have implications for humans, researchers have made the lifespan of yeast 10 times longer, doubling the previous record for life expansion, LiveScience reports. Genetic alteration and a low-calorie diet prolonged the microbe's existence from the typical 1 week to 10 weeks. The scientists involved have turned their attention to Ecuadorians with similar mutations. More »

      Tags

      DNA  • genetics  • genes  • life expectancy  • longevity  • microorganisms

  • August 2007

    • Frozen DNA Survives After 8 Million Years

      Los Angeles Times  |  Aug 7, 07 9:15 PM CDT

      Frozen DNA Survives After 8 Million Years

      (Newser) - Scientists have nixed the notion that glaciers are lifeless blocks of ice by thawing chunks containing Antarctic organisms and watching them successfully divide on their own, the Los Angeles Times reports. The study suggests that these microorganisms, ranging from 100,000 to 8 million years old, could yield DNA and spark an entirely new phase of bacterial evolution if warming continues to melt the glaciers. More »

      Tags

      global warming  • DNA  • Mars  • evolution  • Antarctica  • bacteria  • glacier  • life  • microorganisms

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