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For wood frogs in Alaska’s interior, Arctic weather is more than a temporary, headline-grabbing phenomenon. Frigid temperatures are the norm for months at a time. But these tiny amphibians cope quite well and represent an extreme in freeze-tolerant organisms, researchers reported here Monday at the annual meeting of the Society for Integrative and Comparative Biology. Leer más.

One of the major experimental advances in recent decades has been the battery of methods capable of functionally validating hypotheses regarding the molecular networks that regulate biological processes. For biologists, these emerging methods allow us to move beyond descriptive and correlational studies to new dimensions where we can experimentally validate our observations. Leer más.