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Smithsonian Magazine on MSN7d
Meet Ten Tyrannosaurs That Came Before T. Rex, From Small, Feathery Creatures to 30-Foot-Long Bone-Crushers
But T. rex was also the last of its meat-tearing family. The earliest tyrannosaurs evolved about 166 million years ago. In ...
Smithsonian Magazine on MSN14d
Preserved Blood Vessels Discovered in a Rib Bone From the World’s Largest T. Rex Could Shed Light on How Dinosaurs Healed
“Preserved blood vessel structures, like we have found in Scotty’s rib bone, appear linked to areas where the bone was ...
insider.si.edu1mon
National Treasure: The Fearsome Science Behind the T. rex, the King of ...
Views 2,620 Video Title National Treasure: The Fearsome Science Behind the T. rex, the King of the Dinosaurs Description Known for its massive size, powerful jaws and razor-sharp teeth, the ...
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Did the T-Rex Have Feathers? [Live Highlight] - Smithsonian Institution
YouTube Keywords smithsonian history channel animals space ships airplane science discovery "free tv" snake documentary movies "free video" america Uploaded 2019-06-15T01:53:31.000Z Type YouTube ...