Catch up with Jane and Mike at todays Jurassic Jackpot: Massive Dinosaur Graveyards presentation. Jane is the dinosaur at the center of a heated scientific debate is she a pygmy tyrannosaur or a young T. rex (we vote for a pygmy rex). Mike is Michael Henderson, paleontologist and curator of earth science for the Burpee Museum, the organization that found Jane. Hell discuss the latest theories about Jane and what else the Jurassic bone bed is yielding. 7:30 p.m. The Houston Museum of Natural Science, One Hermann Circle Drive. For information, call 713-639-4629 or www.hmns.org. $12 to $17.