The extinction at the end of the Permian period 252 million years ago was one of the darkest chapters in the history of life. Up to 96% of all marine species and 70% of terrestrial life forms vanished in a geologic blink. »
For nearly 40 years, paleontologists have argued over what really killed the dinosaurs. Was it an massive asteroid impact, or a spate of volcanic eruptions? Or what if a powerful impact ignited volcanoes, walloping Earth’s biosphere with a deadly 1-2 punch?
Though every child is taught about ancient history in school, rarely are we ever taught to plan for the future beyond our own lifetimes. What is holding us back from thinking about tomorrow? Philosopher JL Schellenberg has some ideas. »