Pluto’s Liquid Water Ocean Might Be Insanely Deep

In recent months, there’s been growing evidence that Pluto is hiding a liquid water ocean beneath its frozen surface. New models by researchers at Brown University support this hypothesis, and take it one mind-boggling step further: Pluto’s ocean may be more than 100 kilometers (62 miles) deep.

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Sharks Can Sense Electricity, and That Might Save Them from Extinction

Anyone who has ever gone fishing knows that you don’t always catch what you’re trying to catch. In industrial fishing, that problem is called “bycatch,” and it can have grave consequences.

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