Climate change has yet to diminish crop yields in the U.S. corn belt but scientists expect drought to become more common due to global warming in coming years.
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Feed SubscriptionWhy the Mississippi River Floods Should Have Been Expected
By Richard A. [More]
Read More »World Health Organization to Decide Fate of Smallpox Stocks
By Declan Butler of Nature magazine Health ministers from the World Health Organization's (WHO's) 193 member states will next week debate when to destroy the two last known remaining stocks of the virus that causes smallpox, a scourge that was eradicated in 1980. Many scientists argue, however, that the variola stocks should be maintained, perhaps indefinitely
Read More »Students from Border Town and Beyond Aim High in National Rocketry Contest
How do you get from Virginia to Paris? For one team of young rocketeers, the way across the Atlantic will involve a homemade model rocket, a chicken egg and some serious competition
Read More »Exposed: Medical Imaging Delivers Big Doses of Radiation
Americans are exposed to much more ionizing radiation (the potentially harmful type) than they were 30 years ago. Greater use of medical imaging such as CT scans accounts for almost all the increase. The tests can reveal serious health threats, of course, but they come with risks
Read More »Curious Photos from the Archive: A Little Bird with a Big Appetite
Since today is Friday the 13th, I’d like to share with you an unlucky situation I came across in the Scientific American archive.
Read More »Radiation Found in Seaweed Near Crippled Japan Plant
By Mari Saito TOKYO (Reuters) - Seaweed collected from the coast near Japan's crippled Fukushima nuclear power plant and sewage in Tokyo have shown elevated levels of radiation, according to data released by an environmental group and government officials on Friday. [More]
Read More »U.S. Action to Combat Climate Change Remains Urgent
Climate change poses "significant risks" to society, the National Academy of Sciences said yesterday, warning that delaying cuts in greenhouse gas emissions will make dealing with the problem harder in the future. "Each additional ton of greenhouse gases emitted commits us to further change and greater risks," an academy panel said in a new report, which calls for the federal government to take a lead role in combating climate change at home and abroad. [More]
Read More »Too Hard for Science? Freeman Dyson–ESP
What does the scientist who talked about enclosing stars with globes think might be too hard for science? In "Too Hard for Science?" I interview scientists about ideas they would love to explore that they don't think could be investigated. For instance, they might involve machines beyond the realm of possibility, such as particle accelerators as big as the sun, or they might be completely unethical, such as lethal experiments involving people.
Read More »Infants Know That ‘Might Makes Right’
To be socially savvy, you have to learn the hierarchy. This skill is so crucial that even babies possess it, according to a study published January 28 in Science . Infants only 10 months old know that bigger beings usually get their way
Read More »For the Birds: Best-Adapted Beaks
Key concepts Adaptation [More]
Read More »Menagerie of Mimics: Animals Don a Variety of Disguises to Avoid Predation [Slide Show]
You might have learned about mimicry in high school biology class. [More]
Read More »Twitter Helped Doctors Tell Patients Where to Get Meds After Japan Earthquake
In the hours after the magnitude 9.0 earthquake and massive tsunami hit Japan in March, essential infrastructure and communication were cut off, leaving many of the disasters' survivors without access to phones, electricity or water.
Read More »Trees May Grow 500 Kilometers Farther North by 2100
By Alister Doyle, Environment Correspondent OSLO (Reuters) - Trees in the Arctic region may grow 500 km (300 miles) further north by 2100 as climate change greens the barren tundra and causes sweeping change to wildlife, a leading expert said. [More]
Read More »Fukushima reactor has a hole, leading to leakage
By Yoko Kubota and Scott DiSavino TOKYO/NEW YORK (Reuters) - One of the reactors at Japan's crippled Fukushima nuclear power plant has a hole in its main vessel following a meltdown of fuel rods, leading to a leakage of radioactive water, its operator said on Thursday. [More]
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