March 6, 2013
How Penguins Survive Subzero Cold
Joseph Stromberg, Smithsonian
Antarctica, as you might expect, gets pretty darn cold: Temperatures as low as -40 degrees Fahrenheit are often recorded during the winter. For the creatures who live there, this extreme cold demands innovative survival strategies that enable the loss of as little heat as possible.
TAGGED: convection, radiation, heat, cold (temperature), penguins