What if the Dinosaurs Hadn't Gone Extinct? Why Our World Might Look Very Different

Sixty-six million years ago, an asteroid hit the Earth with the force of 10 billion atomic bombs and changed the course of evolution. The skies darkened and plants stopped photosynthesizing. The plants died, then the animals that fed on them. The food chain collapsed. Over 90 percent of all species vanished. When the dust settled, […]