One practical problem: if everyone born never dies, and if people keep making babies, then Earth’s population will rapidly outstrip the resources to support it. So the day we stop dying must also be the day we find another orb to accommodate our overproduction of air-breathing humans. This need for extra planets will never cease. But the universe is vast, and just in our small sector of the Galaxy, the catalogues are now rising through five thousand known exoplanets. We just need to invent terraforming technologies and either warp drives or wormhole transportation systems, and all will be
...more
