Big Picture Science – Know Laughing Matter: Robert Provine
by Gary Niederhoff on July 20, 2011
Part 2 of Know Laughing Matter, featuring Robert Provine, neuroscientist, University of Maryland, Baltimore, author of Laughter: A Scientific Investigation, on the evolutionary purpose of laughter. Additionally, more jokes from listeners. (TRT 9:54)
Could your favorite Earthling also be your favorite Martian?
Allow me to respond: The answer is "yes." It's possible that billions of years ago, tiny bits of biology quit the Red Planet and infected ours. If so, your family tree -- and that of every other terrestrial life form -- has its deepest roots not in the ancient oceans of Earth, but... (read more)