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Engineers Survey Damage Of Washington Monument

The Park Service is undertaking a painstaking inspection of the Washington Monument to assess damage from the Aug. 23 earthquake that hit the area. The temblor opened up cracks in the 555-foot obelisk, and the Park Service says it will remain closed indefinitely while repairs are made. There are no serious structural problems, but concerns remain that debris could cause a safety hazard.
NPR

How A Small Red Fruit Performs Taste Miracles For 'Flavor Trippers'

Japanese food chemists have found a way to explain how a chemical in miracle fruit makes sour flavors taste sweet. The fruit has inspired a small counterculture of flavor trippers as well as chefs who are experimenting with the chemical as a low-cal sweetener.
NPR

How Psychology Solved A WWII Shipwreck Mystery

In November 1941, two warships from Australia and Germany clashed off the coast of western Australia. Both sank. Despite extensive search efforts during and after World War II, the ships weren't found until 2008, after a team of psychologists analyzed the statements given by the surviving German crew members.
NPR

Air Force And Navy Turn To Biofuels

The military is trying to make big changes in what fuel it uses. The Air Force and Navy have been testing their aircraft — everything from fighters to unmanned spy planes — on fuel made from vegetable oil or even animal fat. One catch: It costs 10 times the price of traditional fuel.
NPR

Ark. Archivist Finds Missing Moon Rock

Last week, an archivist in Arkansas was sifting though boxes of papers from President Bill Clinton's gubernatorial years when he came across a surprise — a piece of the moon. The moon rock had been missing for about 30 years, and it was just one of about 180 moon rocks that are currently at-large. Melissa Block talks with retired senior special agent for NASA Joseph Gutheinz about the other missing rocks.
NPR

New York's New Shipping Plan Sparks Feud

New York state is poised to implement new rules that could have a major impact on the global shipping industry. Invasive species sometimes move from place to place in "ballast water" — that's the water ships suck in and discharge to level their loads. Officials in New York want all that ballast water treated to kill any "living pollution" before it reaches their harbors. But the treatment technology is expensive and untested. Because the state serves as a gateway to the Great Lakes and ports in New Jersey, other states and countries are disputing the new rules.
NPR

Flagstaff Throws A Science Party

The Flagstaff Festival of Science gets underway this week. Ira Flatow talks with two festival participants about some of the highlights: Astronaut John Grunsfeld previews a talk on the Hubble Telescope and archeoastronomer Bryan Bates tells what the Mayans knew about 2012.

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