Three of last week's most clicked upbeat articles and the most watched video.

Plants for a Healthier Home: The two best indoor houseplants for their health benefits, and the ease of caring for them. Cleaner air...
Today's Articles
World's Largest Asteroid Crater: Evidence suggests that Australia could be concealing a massive, subterranean secret. Dig in...
Hot Air Balloon Dining: Acclaimed Dutch chef serves diners with a three-course gourmet meal while floating in the skies above Holland. Hop aboard...
From the Archives: Secret population of polar bears discovered surviving in an improbable habitat. Remarkable...