/tags/tree-frogs tree frogs en-US Copyright Mon, 25 Feb 2019 11:00:00 GMT /health/2019-02-25/how-live-frozen-frogs-can-help-preserve-human-organs Under a leafy litter, native wood and tree frogs are sleeping in a kind of frozen hibernation. Researchers hope chemicals in their blood that permit this… Mon, 25 Feb 2019 11:00:00 GMT /health/2019-02-25/how-live-frozen-frogs-can-help-preserve-human-organs Ann Thompson