Duffy the rescue dog lost his eyesight after developing diabetes. Luckily his family was able to provide him with medication and surgery that allowed him to regain his sight. Watch his reaction upon seeing his family for the first time after the eye surgery.
Jimmy Fallon is back with another lip sync battle, but this time he faces off against two of music's biggest names.
Higher-than-expected birth rates and longer life spans are expected to cause the world's population will soar through the end of the 21st century.