Pampering penguins in the pittsburgh zoo: keeping three species of penguin contented in the zoo...

The world's 17 species of penguin are indigenous only to the Southern Hemisphere, including the Antarctic. Gentoo, Macaroni, and King penguins are anything but native to Pittsburgh, PA, but nonetheless are very much in their element at the Pittsburgh Zoo and PPG Aquarium, thanks to a sophisticated system of sensors and a wireless network that keeps everything in balance.

The birds thrive at temperatures below 50[degrees]F, and it is important to maintain them at those low temperatures to avoid heat stress and decrease susceptibility to disease. Pittsburgh summers can b