If humans are going to travel to distant destinations in space like the Moon or Mars, they will need to survive for long periods of time. And one of the key challenges involved includes how to have safe food and water to eat and drink when we are away from Earth.
In our continual search for another life in the universe, one place has always looked promising: Mars. It is a rocky planet like Earth, orbiting the same star, and at a distance where water could have been present on the planet.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.