Tree rings can reveal hurricane record: study

WASHINGTON (Reuters) - Oxygen taken from tree rings could help settle the question of whether hurricanes are getting stronger and more frequent, U.S. researchers said on Monday. CAPE CANAVERAL, Florida (Reuters) - A spill of toxic liquids aboard International Space Station on Monday set off a short-lived emergency and fears of a fire aboard the outpost. CHICAGO (Reuters) - Twenty-five people who turned their outside-the-box intellects loose on subjects as disparate as the jazz violin and stem cell research were named on Tuesday as winners of $500,000 unrestricted "genius grants."