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Cambodia battles to save rare Mekong dolphins
The sight of two dolphins twisting playfully in the murky waters of the Mekong river elicits barely-stifled squeals of delight from a boatload of eco-tourists. ... more
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Improving DNA amplification from problematic plants
The polymerase chain reaction (PCR) is a common technique used to amplify, or copy, pieces of DNA. Amplified DNA is then used in genetic analyses for everything from medicine to forensics. In plant ... more
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Quadrantids Create Year's First Meteor Shower
Tonight (Jan. 2-3) is the peak of the 2013 Quadrantid meteor shower. Best viewing will be in the northern hemisphere, but the shower can be seen at latitudes north of 51 degrees south. Meteor rates ... more
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Mission Accomplished for Landsat 5
Today the U.S. Geological Survey announced that Landsat 5 will be decommissioned over the coming months, bringing to a close the longest-operating Earth observing satellite mission in history.
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