Popular Science Letters Thank you! Published Sep 16, 2003 8:37 PM Science SHARE Thank you for contacting Popular Science.Click here to go to the PopSci.com home page. Science MORE TO READ RELATED How protein came to dominate the American diet What are we missing by adding protein to all everything? READ NOW RELATED The FDA just authorized boosters for Moderna and J&J—here’s what you need to know The mix and match approach could ease access to shots, and boost better immunity. RELATED Dinosaurs who stuck together, survived together The long-necked Mussaurus was a social beast.