The National Oceanic & Atmospheric Administration officially announced that we will experience the El Nino phenomenon this year through to 2010. Christie Nicholson reports

Wissenschaft & Technik
Scientific American Podcast: 60-Second Earth Folgen
Tune in every Sunday for quick reports on the science of the environment and the future of energy. It'll just take a minute!
Folgen von Scientific American Podcast: 60-Second Earth
312 Folgen
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Folge vom 10.07.2009El Nino Has Arrived
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Folge vom 02.07.2009The Wonderful World of Transgenic AnimalsFrom spider silk in goat's milk to tomato genes in salmon, genetically modified animals are proliferating--in the lab. David Biello reports
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Folge vom 25.06.2009Can America's Trains Go High-Speed?The government is pushing for it, but are high speed trains even possible in the U.S.? David Biello reports
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Folge vom 23.06.2009Getting to the Core of TwistersIn VORTEX2, the largest scientific study of tornadoes, scientists are trying to understand just what causes a twister to form. It's more complicated than you might think. Christie Nicholson reports