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b'Tumble returns with all new episodes starting January 22! We\\u2019ll have stories about fossils, telescopes, and baby falcons getting into big trouble.\\n\\nHow does a koala eat eucalyptus leaves? Eucalyptus is toxic to most animals, but they\\u2019re a koala\\u2019s only food. In this episode, we look past the cuddliness to discover how koalas manage to chow down on the Australian tree species. Biologist Michaela Blyton shares the story of how she convinced some extremely picky koalas to try new foods in the midst of a conservation crisis. Spoiler alert: It involves starting a koala hotel, and inventing a pill with an unusual ingredient.'