Analysis of dinosaur eggshells: Bird-like Troodon laid 4 to 6 eggs in a communal nest: New carbonate analysis method applied to eggshells from Troodon, reptiles and birds
sciencedaily.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sciencedaily.com Daily Mail and Mail on Sunday newspapers.