Educational Videos for K-12
Posted by tropin on 21st September 2009
Free Online Educational Videos and Lessons
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Archive for September, 2009
Lost World
Posted by tropin on 10th September 2009
Giant rats, tiny parrots found in ‘lost world’
08/09/2009 3:05:49 PM
CBC News
An expedition to what’s being called a lost world inside an extinct volcano in Papua New Guinea has discovered more than 40 new species, including giant rats, frogs with fangs and a new species of bat.
Mount Bosavi in the rainforest of Papua New Guinea is an extinct volcano 2.7 kilometres high, with a crater one kilometre deep and four kilometres wide. Life inside has evolved isolated from the outside world for 200,000 years, the last time the volcano erupted.
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The Dance Of Water: New Insight Into Water’s Strange Bulk Properties
Posted by tropin on 1st September 2009
ScienceDaily (Aug. 12, 2009) Water is familiar to everyoneit shapes our bodies and our planet. But despite this abundance, the molecular structure of water has remained a mystery, with the substance exhibiting many strange properties that are still poorly understood. Recent work at the Department of Energy’s SLAC National Accelerator Laboratory and several universities in Sweden and Japan , however, is shedding new light on water’s molecular idiosyncrasies, offering insight into its strange bulk properties.
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