Smithsonian Magazine http://www.smithsoni...cker-115306469/ http://www.smithsoni...cker-115306469/ this article in Smithsonian Magazine Smithsonian Magazine Dinosaur Shocker | Science | Smithsonian a 2006 discovery Smithsonian Magazine Smithsonian Magazine http://www.smithsoni...cker-115306469/ http://www.smithsoni...cker-115306469/ https://www.smithson...cker-115306469/ preserved in different ways Red blood cells found in dinosaur bone http://www.smithsoni...cker-115306469/ http://www.smithsoni...cker-115306469/ http://www.smithsoni...cker-115306469/ http://www.smithsoni...cker-115306469/ Smithsonian Story Smithsonian Magazine Smithsonian Magazine Mary Schweitzer at North Carolina State University