As parts of the Northern Hemisphere start to get cold this winter, consider the resourceful and intrepid penguins of Antarctica who make their homes farther south than any other animal on earth. For these penguins, the hardship they face is not the frigid winds of the South Pole, but rising temperatures. Join the Cornell Lab's science editor Hugh Powell in this audio slideshow, Featuring great images from @Chris Linder Photography, and learn what scientists have discovered about Adelie and Gento