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The most common types of ingested birth control contain estrogen. But the hormone doesn’t just prevent human babies.

By Heidi Ledford of Nature magazine At last, a member of the celebrated sirtuin family of proteins has been shown to extend lifespan in mammals -- although it's not the one that has received the most attention and financial investment. Sirtuin genes and the proteins they encode have intrigued many researchers who study ageing ever since they were first linked to longevity in yeast.

By Zeeya Merali of Nature magazine You just can't keep a good superconductor down. [More]

By Ewen Callaway of Nature magazine Men can breathe a sigh of relief--their sex-determining chromosomes aren't going anywhere. [More]

So much for so-called f-commerce.

In business terms, Jeremy Lin is the underdog that took on the 800 pound gorilla and won. Here's what entrepreneurs can learn from him

An internationally recognized water and climate change expert admitted yesterday that he lied about his identity to obtain internal funding and strategy documents from the Heartland Institute. [More]

And then there was one. The last known Rabb’s fringe-limbed tree frog ( Ecnomiohyla rabborum ) now lives by himself at Zoo Atlanta in Georgia after the zoo euthanized the only other member of its species

About 300 million years ago, volcanic ash buried a tropical forest located in what is now Inner Mongolia, much like it did the ancient Roman city of Pompeii. [More]

It's no secret cigarettes can yellow your teeth. But tobacco smoke has another, unseen effect. It can wipe out the healthy bacteria in your mouth, leaving the field open for pathogenic bugs--like the kind that cause gum disease

From Nature magazine [More]

TASER, best known for their electric shock guns, has a new product: Tiny, sunglass-mounted cameras that upload live footage from a cop's POV to the cloud. The idea

STINSON BEACH, Calif. -- The Pacific Ocean laps against a seaside property in the small Northern California town.

Image courtesy of iStockphoto/vladacanon Scary antibiotic-resistant infections aren’t just lurking in the hospital anymore. They’re in gyms, at the beach , and increasingly, on the farm. [More]

By Declan Butler of Nature magazine After weeks of debate, two controversial papers describing forms of the H5N1 avian influenza virus capable of transmitting between mammals should be published in full. [More]