Many Dry Tortugas loggerheads actually Bahamas residents

Many loggerhead sea turtles that nest in Dry Tortugas National Park head to rich feeding sites in the Bahamas after nesting, a discovery that may help those working to protect this threatened species.

In Brazil town turning to desert, farmers fight to hang on

Standing amid a terrain of rugged red craters that looks like something from Mars, Brazilian farmer Ubiratan Lemos Abade extends his arms, pointing to two possible futures for this land fast turning to desert.

Two studies find stress reprograms cells

In a pair of publications, researchers have shown how cells adapt to stressors—like water loss—by reprogramming their internal signaling networks. The studies describe previously unknown mechanisms that cells use to send ...

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