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LifeStudy raises worries for zoo-born elephants
Study of captive-born females finds big survival gap between zoo natives and elephants in native ranges.
By Susan Milius -
Health & MedicineGene could drive species separation
Newly identified fruit fly gene provides evidence for “cheating genes” that may cause species schisms
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EarthReef record suggests impending Sumatra quakes
Evidence of seafloor rise and fall shows southern Sumatra is at start of new earthquake cycle.
By Sid Perkins -
SpaceAstronomers zero in on Milky Way’s black hole
Astronomers report a new value for the supermassive black hole at the galaxy’s center.