Berkeley algorithms help researchers understand dark energy

Scientists believe that dark energy—the mysterious force that is accelerating cosmic expansion—makes up about 70 percent of the mass and energy of the universe. But because they don't know what it is, they cannot observe ...

Bear cub found dead in Spanish Pyrenees

A brown bear cub that was part of an effort to reintroduce the species to the Pyrenees mountains has been found dead on the Spanish side of the mountain range, local officials said Monday.

Boy moms more social in chimpanzees

Nearly four decades of observations of Tanzanian chimpanzees has revealed that the mothers of sons are about 25 percent more social than the mothers of daughters. Boy moms were found to spend about two hours more per day ...

Biology trumps chemistry in open ocean

Single-cell phytoplankton in the ocean are responsible for roughly half of global oxygen production, despite vast tracts of the open ocean that are devoid of life-sustaining nutrients. While phytoplankton's ability to adjust ...

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