On the Air: April 24, 2016
 Gentoo penguins in Antarctica. Credit: National Oceanic and Atmospheric Administration

Penguins may look cool, but they never seem to get cold. And recent research has provided some reasons: tiny holes in their feathers, and a special oil that acts as a sort of antifreeze.Researchers compared the feathers of two types of penguins — the gentoo, which lives in Antarctica, and the magellanic, which lives in the warmer climate of South America.

In Print: April 1, 2016
Severely bleached coral in Papahanaumokuakea Marine National Monument, Hawaii. Credit: National Oceanic and Atmospheric Administration.

Carrying a bit of extra fat isn’t usually considered ideal among the human population, but for corals, extra fat could be a lifesaver. The more fat reserves a coral has, the stronger its recovery appears to be after severe stress.