Mars - the fourth planet from the Sun - has been studied by NASA and SpaceX scientists for decades, with the goal of turning it into a 2nd Earth in the future.
The extreme heat that is testing the limits of human survival will continue to rise, challenging the body's ability to fight back and making many parts of the world uninhabitable.
By 3000, the descendants of the high-level gene class would be tall, slender, healthy, attractive, intelligent and creative. Meanwhile the lower-class group will become idiots,
Scientists are finding out if we can one day live only with the brain in other planets.