The way the dinosaurs relinquished their long dominance is well known. An asteroid struck Earth 66 million years ago, triggering a horrific mass extinction. But the way the dinosaurs - modest ...
In the new study, researchers attempted to determine the dominant large herbivores that lived in the northern Yellowstone National Park area by analyzing steroids from animal dung in lake ...
In a new study, researchers attempted to determine the dominant large herbivores that lived in the northern Yellowstone National Park area by analyzing steroids from animal dung in lake sediments ...