JERUSALEM, 1 Nov 2021: Six astronauts have spent three weeks isolated at a simulated Martian base in a crater in the middle of Israel’s Negev Desert, where they conducted assorted experiments as part of a programme to further preparations for a mission to Mars, albeit at some undetermined date in the future. In the middle a red, dry, rocky nothingness, with mountains on the horizon, and where the only sound is that of the whistling wind and the sun beats down violently, mankind has now taken one more step on the long road to the Red Planet. The conclusion of...