Now that everyone and their grandma has done the ALS Association's Ice Bucket Challenge, India takes it up a notch.
College students design a bike they say is unstealable.
Turns out extreme drought can move mountains, too.
Scientists use handwritten letters to share their sad, sad feelings about climate change.
On a real scorcher of a day, the mercury downtown can roar 24 degrees above the temps in the surrounding desert. Other cities are feeling the heat, too.
More than 23 million rides have been taken on bikeshares, though research is still unclear on how much they help the planet.
Even Harry Potter would be impressed.
Don't turn around too fast, but we think Uber put a drunk person in your backseat.
By Dasani, we mean potable tap water. And by sewage, we mean sewage.