Animals across the world have to adapt to different living conditions, but some thrive in the most extreme environments ... as the wood frog does. They can be found in North America in forests ...

Some animals don’t just survive harsh environments - they thrive. From icy tundras to scorching deserts, these species have evolved traits that help them handle conditions most creatures couldn’t ...

One notable exception is the American hairless terrier, which has sweat glands all over its body, illustrating the fact that fur tends to inhibit sweating because if the sweat can’t ... The ability of ...