The talk will start by examining just 7 (of many) ways life on Earth as we know it could end suddenly–from an asteroid impact to our creation of new life forms in a lab that turn against us. Then we’ll explore how people will get to Mars, why that will happen with or without NASA’s cooperation, how we’ll live on Mars and build entirely new civilizations, and how we can eventually terraform the planet to make it more like Earth. The big surprise is how quickly all this will happen because space …