Emerald U.

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Frozen Frog

It’s not advisable to hold your pee… but did you know there’s a little creature that can do it for eight months straight?



Meet the wood frog—a remarkable amphibian found in North America. When winter rolls in, this frog freezes almost completely: heart stops, breathing halts, and yep, it holds its urine the entire time. Scientists discovered that the urea in its body actually helps protect its cells during freezing temperatures. Nature’s survival tactics are pretty wild!

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