A new study of how plants grew in the environments of the dinosaur age offers some new clues about their populations.
Source: Scientists May Have Wildly Underestimated the Giant Dinosaurs of the Ancient World
This one is just fun :-) but please do pay attention to the CO2 levels. And please, I would like to point out that lower nitrogen levels simply stems from the fact that the plants had higher sugar levels. Just exactly what is meant by the word “nutrient”:-)