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Glass frogs can turn on their transparent appearance by hiding 90% of their red blood cells in their liver during sleep, ... it’s essentially unheard of outside of the glass frog,” White said. 3.
Here’s how it goes: If a frog is put into a pot of boiling water, it’ll instantly leap out. However, if the water is pleasantly tepid and you start heating it, the frog will stay in the pot ...