The water in your glass right now may easily have last been drunk by a Tyrannosaurus from the Cretaceous period. http://bigideas.network/energy-and-matter/atoms/the-life-of-an-atom/ …
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The water in your glass right now may easily have last been drunk by a Tyrannosaurus from the Cretaceous period. http://bigideas.network/energy-and-matter/atoms/the-life-of-an-atom/ …