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Dr Karl Podcast

Food cravings, giraffe tongues, white holes

Dr Karl Podcast
Dr Karl Podcast
Why do we crave certain foods even if it's been years since we last ate them? Why do giraffe's have blue tongues? We know black holes exist, but do are there also white holes?

Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.
Dr Karl Podcast
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