"WORLD RENOWNED SCIENTISTS REVEAL A REVOLUTIONARY SCIENTIFIC FIND THAT WILL CHANGE EVERYTHING," blares a media alert that crossed ScienceInsider's desk today. The notice announces a 19 May press conference at the American Museum of Natural History in New York City, where Mayor Michael Bloomberg, among others, will speak. They will "unveil a major historic scientific find" that will "address a long-standing scientific puzzle." The announcement is tied to an upcoming special on the History Channel, the notice says. ScienceInsider is waiting with bated breath.
Update: The "find that will change everything" is a 47-million-year-old fossil found in Germany of a primate  that could be the common ancestor of modern apes, monkeys, and humans.