coquelicots

coquelicots

dimanche 1 février 2015

frozen kermit

Une image de l'hiver

The wood frog has garnered attention by biologists over the last century because of its freeze tolerance. Antifreeze-like blood lets frogs freeze and thaw with winter's whims. They endure this annual popsicle phase with help from cryoprotectants, substances circulating in their blood that lower the freezing point of their body fluids

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