Think you’ve heard it all? Wait till you drop these at your next hangout: sloths can hold their breath longer than dolphins, octopuses have arms that think for themselves, and the Eiffel Tower literally grows in summer. Oh, and bananas are radioactive (but don’t worry, you’re safe). These weird facts are the ultimate ammo to stump your know-it-all friend! #Science #FunFacts #DidYouKnow