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25 cute animals that are endangered and on the brink of extinction (#22 will break your heart )

There are many cute endangered species, and sadly their charm endangers them even more, like these 25 cutest animals that are ...
ZME Science on MSN

These Frogs Freeze Solid Until Their Hearts Stop For Months. Scientists Say They Could Transform How Organ Transplants Work

Wood frogs — Lithobates sylvaticus, also known as Rana sylvatica — live farther north than any other amphibian, even beyond ...