Sunday, December 2, 2007

¿ A reconstructed skeleton of Nigersaurus and the original fossils can be seen at National Geographic's Explorers Hall, 17th and M streets Northwest, until March 18. Hours for the free exhibit are 9 a.m. to 5 p.m. Monday-Saturday, 10 a.m. to 5 p.m. Sunday. Closed Dec. 25. For information, call 202-857-7588.

¿ This month's National Geographic magazine features "Extreme Dinosaurs" including Carnotaurus, the "meat-eating bull"; Masiakasaurus, which had long teeth with hooked tips; and Deinocheirus, called the "terrible hand" because of its 8-foot-long limbs and 10-inch claws!

¿ Think you're the world's biggest dino fan? Meet Thomas Holtz, King of the Dino Geeks. He spends all day at the University of Maryland studying, writing and thinking about dinosaurs. Read more about him in Wednesday's KidsPost.