This Week in Science: Bloodthirsty Chimps, Sinister Sweeteners, and Moon Marathon Training

September 19, 2014 8:54 PM

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This Week in Science: Bloodthirsty Chimps, Sinister Sweeteners, and Moon Marathon Training

Chimpanzees seem to have a natural inclination for murder. The tiny, dense galaxy M60-UCD1 was found to have a humongous black hole that accounts for 15 percent of its mass. T. Rex died for your fall leafpeeping excursion: Scientists now believe the meteorite that wiped out the dinosaurs also remade Earth's landscape, favoring deciduous flowering plants over the once-dominant evergreens. An ancient Egyptian woman was buried 3,300 years ago wearing a complex hairstyle involving 70 separate hair extensions.

In mice, artificial sweeteners seem to encourage glucose intolerance, which leads to higher-than-normal blood sugar levels and is a known precursor to diabetes. Scientists discovered the modernEuropean gene pool is a mixture of three distinct types of ancestors that combined within the last 7,000 ye...

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