Why do we have fingerprints? How long can trees live? Why do cats purr? Artists illustrate humanity's most burning scientific questions.
Why do we have fingerprints? Do immortal creatures exist? How do migrating animals navigate?
In a new book called The Where, The Why, And The How, 75 artists set out to illustrate some of the biggest, strangest, most curious scientific mysteries of our time.
Here are 11 of our favorites.
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