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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 ...

An Animal Believed Extinct for 100 Years Has Reappeared

What makes this discovery so remarkable, is that this species was considered extinct in South Australia. The closest known ...