Australian Study Aims to Save Koala Bears

Australian researchers are studying a thriving koala colony in hopes of saving the popular animal whose numbers are declining elsewhere in the nation. University of Queensland scientists are climbing high into trees to study a surprisingly healthy colony in the northeast state. They say Koalas elsewhere in Australia are plagued by the disease chlamydia, which causes blindness and female infertility.    Scientists capture, test, and tag the healthy animals in the colony to...

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