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A mysterious decline in hip fractures

Hip fractures may be one of the most devastating injuries that humans face, but they’re also less frequent than they used to be. Today Canadian researchers announce that the hip-fracture rate fell 31.8% for Canadian women and 25% for Canadian men between 1985 and 2005. (A decline has also been noted in the U.S., but over a shorter …

Nearly 90% of U.S. money has traces of cocaine

A study that tested paper money from 30 big cities in five countries—including the U.S., Brazil, Canada, China and Japan—found that big metropolitan areas in both Canada and the U.S. have an alarmingly high presence of cocaine on their currency, with traces of the narcotic on 85-90% of bills. Brazil, coming in just behind the North