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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.
NPR

The War On Cancer Turns 40

Forty years ago, President Nixon signed the National Cancer Act, beginning the War on Cancer. Harold Varmus, director of the National Cancer Institute, discusses four decades of scientific progress in preventing, detecting and treating cancer--and the mysteries that still remain.
NPR

Kepler Telescope Narrows Hunt For Earth's Twin

By tracking the blinking light of distant stars, NASA's Kepler space telescope has identified the first Earth-sized exoplanets, and another which orbits its star in the "Goldilocks zone," where liquid water--and possibly life--could exist. Principal investigator William Borucki talks about the newly discovered worlds.

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