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Could Obesity Change The Brain?

Pigging out for even a day causes inflammation in the brains of lab rats, and scientists think this might help explain why it's so hard for people to lose weight. If eating too much inflames human brains, too, then scientists might be able to come up with new ideas for taming obesity.
NPR

New England Fishermen Brace For Cod Restrictions

Three years ago, scientists found plenty of cod in the region but data this season indicates just the opposite. Federal regulators say stocks are at such dangerously low levels, cod fishing might need to be shut down. Fishermen say they don't believe the reports.
NPR

60 Years After Leaving, Porpoises Again Play In SF Bay

Harbor porpoises are showing up in growing numbers under the Golden Gate Bridge. Six decades ago, they were driven away in part by wartime activities and poor water quality; now, researchers are trying to understand why they're returning.
NPR

Endangered Turtle Survives Trans-Atlantic Journey

The Kemp's ridley sea turtle, which hopped a ride aboard floating seaweed, made the 4,600 mile journey from the Gulf of Mexico to the shores of Portugal in 2008. Nicknamed Johnny Vasco de Gama, after the Portugese explorer, the now-rehabilitated turtle will be reintroduced into Gulf waters Tuesday.
NPR

The Wisdom Of Trees (Leonardo Da Vinci Knew It)

Some 500 years ago, Leonardo da Vinci noted that branches on trees split with mathematical precision. Recently, physicists studying this phenomenon have discovered it has important implications for the way wind flows around and through trees.
NPR

Trees In Trouble: Grim Future For Frankincense

The wise men would be one gift short at the manger — frankincense, one of the gifts given to the baby Jesus, is now in short supply. The trees from which the fragrant resin is produced are declining, and in 15 years, frankincense production could be cut in half.
NPR

A Pigeon's Potential: Learning Abstract Numbers

Damian Scarf at New Zealand's University of Otago reports in the current issue of the journal Science that experiments he conducted with colleagues show that pigeons can learn abstract rules about numbers.
NPR

To Flirt In Cities, Birds Adjust Their Pitch

A big part of being a bird is singing, often to attract other birds. Sometimes it's hard to do that amid all the noise in a city, so urban birds are changing their tune.
NPR

After Fukushima: A Changing Climate For Nuclear

Nuclear power had enjoyed 25 years of relative quiet, but the Fukushima accident reminded people that despite improvements in safety, things can still go horribly wrong. The accident is unlikely to affect U.S. nuclear policy, experts say, but countries like Germany and Japan are looking to alternatives.

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