Water

Sparkling Clean 4.5 Billion Year Old Water

At least until humans mucked it up

“Toxic Medical Waste into River” Averyaudio, CC BY-SA 4.0 via Wikimedia Commons

It’s seldom considered, but the Earth keeps recycling the same water that the dinosaurs peed in when they roamed the Earth. Remember, we learned about the water cycle in the fourth or fifth grade. The Earth’s water cycle — all the water from the rivers and streams flows to the oceans, where it…

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