Koala shows it's cool to be a tree hugger
Paris (AFP) June 03, 2014 - Australia's cuddly koala rarely drinks water and doesn't have any sweat glands, long leaving scientists to wonder how it cools off in a heatwave. On Wednesday, zoologists announced they had uncovered the iconic mammal's secret - hugging trees, whose trunks can be several degrees cooler than the surroundings. Koalas have high mortality rates in heatwaves. Unable to sweat, they use pantin ... more
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