Will living on Mars require genetic modifications for humans Shutterstock/Alones
Should we be thinking about genetic modifications for the humans that we send to colonise Mars?
Pat French
Longdon Upon Tern, Shropshire, UK
No. We cannot know what the optimum characteristics are for life on Mars. We may think that we understand the various Martian environments, but it is certain that our knowledge is incomplete. Also, even unaltered, our species quickly discovers ways to do things that haven’t been predicted – for example, the bouncing method of walking on the moon.
Even if it were to be attempted, it would take…
