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Where are all the Christmas beetles? Why do some mammals sweat and others don't? If the cells in our body get replaced every 7 years - why do our tattoos stay?
Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.
By triple j4.8
139139 ratings
Where are all the Christmas beetles? Why do some mammals sweat and others don't? If the cells in our body get replaced every 7 years - why do our tattoos stay?
Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

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