Racers wearing T-Rex costumes break out of the gate in a surprisingly fast — and hilarious — race at the Emerald Downs horse track in Washington state. Emerald Downs / Screenshot by NPR hide caption
Tyrannosaurus Rex
Tyrannosaurus rex jaws generated 8,000-pound bite forces and let the creature eat everything from duck-billed dinosaurs to triceratops. Scientific Reports hide caption
Tyrannosaurus Rex's Bite Force Measured 8,000 Pounds, Scientists Say
Horse-sized primitive tyrannosaur Timurlengia euotica from the middle Cretaceous (ca. 90 million to 92 million years ago) of Uzbekistan. Image courtesy of Todd Marshall hide caption
A team of blacksmiths, welders, artists and scientists have been working together in Canada to mount the T. rex bones without damaging them. Metal cradles hold 150 of the major bones precisely in place. Research Casting International hide caption
The Smithsonian's Jon Blundell scans the fossilized foot bone — the metatarsal — of the Wankel T. rex to help create a digital 3-D image of the long-dead dinosaur. Nikki Kahn/The Washington Post hide caption
Reconstruction of Deinocheirus mirificus. Yuong-Nam Lee/Korea Institute of Geoscience and Mineral Resources hide caption
Workers at the National Geographic Museum in Washington grind the rough edges off a life-size replica of a spinosaurus skeleton. Mike Hettwer/National Geographic hide caption