Over the weekend, Dong Nguyen, the developer of the insanely popular mobile game Flappy Bird, pulled the game from the app stores, sending Flappy Bird fans into hysterics. Fans were so upset, they ...

(Credit: Hayk_Shalunts/shutterstock) Zebra finch males sing just one song their entire lives. It's a tune to woo females and keep away other males. Now scientists ...