What would your city look like if humans had never settled there? How did your region's accent develop, and how has it evolved? And what's really sitting at the bottom of that river? To source

As the #IceBucketChallenge campaign showed us, social media can be a powerful medium for charitable organizations. However, the precise nature of the relationship between social good and platforms like Facebook and Twitter can often be unclear. Do social media users really absorb the message? Do people use activism on a social platform instead of actually donating money to a charitable cause? To source

Like any viral activity, copycats are branching off of the same challenge, some simply mocking it for wasting clean water. From dirt to wine, to dust and sand, these alternative challenges have found other ways to show support for a cause. To source

"Hyderabad mein toh aisaich hota hai". The Rice Bucket Challenge, the brainchild of a city woman, may have just shown the world how without catching a cold, India is making a dent to its poverty-induced hunger problem. To source

Somewhere in Iowa, volunteers are earning $900 apiece by providing blood samples after eating bits of a banana kissed with a curious tinge of orange. To source