What do you think of when you hear the word "ventriloquism"? A showman with a wisecracking wooden boy on his lap? There's more to ventriloquism than verbal jousting between a man and his dummy. In this hour of To the Best of Our Knowledge, we'll explore the cultural history of ventriloquism...Read more


Scientists are launching one of the most audacious projects ever conceived: a detailed map of the human brain, neuron by neron, synapse by synapse. For some scientists...