Some Mexican road workers uncover a strange stone block covered with hieroglyphs while building a road. Then, nearly 10 years later, a team of archaeologists get a look at it and detemine that it is the only existing example of the writing of the Olmec people, and the oldest surviving writing in North or South America. How cool is that?...   more »

Here's another little audio challenge, which I think you may find harder than the last challenge, or maybe not. This time the clips vary in size from 5 seconds to 20 seconds, and each one includes spoken dialog from a movie. But there's a catch...   more »