[thedoc (OP)]

Koalas hug the trunks of Eucalyptus trees very tightly. But not just to hang on. Scientists have now found that they use it to keep cool.
Read a transcript of the interview by clicking here
or [chapter podcast=1000702 track=14.06.10/Naked_Scientists_Show_14.06.10_1002363.mp3] Listen to it now[/chapter] or [download as MP3]