The discovery of a T. rex that was 400 kilograms heavier than any other found so far suggests we may have underestimated the size of this and other dinosaurs Source: https://www.newscientist.com/article/2197485-huge-t-rex-fossil-suggests-many-dinosaurs-were-bigger-than-we-thought/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home