"Hello. We are looking for highly intelligent individuals. To find them, we have devised a test. There is a message hidden in this image. Find it, and it will lead you on the road to finding us. We look forward to meeting the few that will make it all the way through. Good luck."
That message, signed "3301," appeared on the underground message board known as 4chan two years ago. It was mysterious, cryptic and sparked a global Internet mystery that has yet to be answered to this day.
All over California, signs in restaurants, parking garages and other businesses warn that you could be exposed to chemicals that can cause cancer.
The disclosure is mandated by 1986 state law. If a company fails to warn consumers, it can be sued.
But a lot has changed since the law was passed: The list of toxic chemicals is longer and the lawsuits are more prolific. In October, Gov. Jerry Brown signed an amendment to ease the burden on businesses.
Most firearms in the U.S. start out in a state of perfect legality, sold by a manufacturer to a federally licensed dealer. But somewhere along the way, some of them cross the line and become what are called "crime guns."
Sao Paulo holds the title of the biggest city in Latin America, with an estimated 22 million people in its metropolitan area. But when it comes to local, organic food, the pickings are pretty slim: The city has just 20 organic farmers' markets.