Martha Adams has been a rodeo rider, zookeeper, veterinary technician and medical transcriptionist/editor. She traveled the Orient and Africa, and lived in Saudi Arabia and Germany., but at heart she's a displaced person -- a Texan who happens to live in Virginia. She was once a contestant on "Jeopardy" and has published various and assorted internet articles. Adams holds a Bachelor of Arts in English and anthropology from the University of Texas at Austin.
Koalas are native to Australia. In fact, they live in only the eastern states of that subcontinent. Why didn't they spread, at least to Western Australia or to nearby New Zealand? The answer lies in a look back into our planet's past.