ScienceWhy were dinosaurs so big? To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience04/09/2017April 9, 2017#wanttoknow! – this edition's Tomorrow Today viewer question comes from Ankur Chaudhari in Khushalpura, India. He wants to know why dinosaurs were so much bigger than animals today. https://p.dw.com/p/2as1oAdvertisement