Penguin flight: Why the sea-faring birds lost their ability to fly.
Why Penguins Lost Their Ability to Fly (VIDEO)
Trending News Channel
Videos Highlighting The Latest Search Trends.
May 21 2013 3:34 PM

Why Penguins Lost Their Ability to Fly (VIDEO)

The findings challenged the widely held theory that penguins lost their flying chops because of a lack of land predators they needed to escape.

  Slate Plus
Hang Up And Listen
Feb. 9 2016 1:49 PM The 11th Worst Super Bowl in History How do you measure Super Bowl mediocrity? Slate correspondent Justin Peters stacks them up.