The findings challenged the widely held theory that penguins lost their flying chops because of a lack of land predators they needed to escape.
What Happened at Slate This Week? Social media guru Lindsey Underwood highlights the most popular stories of the week, from the Patriots to Tom Petty.
The Gynandromorphs A phenomenon observed in insects, crustaceans, and birds results in animals that are both female and male.
He Never Touches the Balls Tom Brady may be the handsome face of the Pats, but the team’s heart and soul belong to defensive tackle Vince Wilfork.