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Let the sun shine in…all day long

Like many Americans, I have recently been diagnosed with a vitamin D deficiency. In addition to drinking milk, eating dark leafy greens, and taking 2000 IU’s of D a day, I’ve also been trying to get as much sunlight as possible. When I came across this article in the November 7, 1903 Scientific American , I realized that a possible reason for my deficiency is my home’s inability to rotate

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Elephants Ask for a Helping Trunk

Elephants are smart, social animals. And now we know that they can organize themselves into teams to accomplish tasks. A research team that included renowned primatologist Franz de Waal taught 12 Thai elephants--who already work with human trainers called mahouts--to get a bowl of food by pulling a rope attached to an out-of-reach table

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Climate Change Poses Arctic Challenge for U.S. Navy

Climate change will pose major new hurdles for U.S. naval forces, forcing the military to grapple with an emerging Arctic frontier, increasing demand for humanitarian aid and creating rising seas that could threaten low-lying bases, the National Academy of Sciences said yesterday. "Even the most moderate current trends in climate, if continued, will present new national security challenges for the the U.S.

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