This is a watershed moment for humankind. We've done pretty well for ourselves up to now but if we want to still be around in another ten thousand years we're going to have to consider some pretty significant changes. We don't have to go to Mars but we can't stay here.
This is a watershed moment for humankind. We've done pretty well for ourselves up to now but if we want to still be around in another ten thousand years we're going to have to consider some pretty significant changes. We don't have to go to Mars but we can't stay here.