The idea that dinosaurs roamed the Earth with man is one of the many that persist despite overwhelming evidence to the contrary. What is belief perseverance, and why does the human mind go to such great lengths to keep the peace?
The Earth is a pretty stalwart planet, having survived billions of years of punishment at the hands of asteroids and other cosmic bodies. But could it withstand more than 7 billion people jumping up and down in unison? Do we even want to find out?