NASA tests life on Mars with simulator including time delays, exercise and crop growing
![NASA tests life on Mars with simulator including time delays, exercise and crop growing](https://i2-prod.dailystar.co.uk/incoming/article33247997.ece/ALTERNATES/s615/0_NASA-researchers-spend-one-year-in-isolation-inside-Mars-replica.jpg)
Four NASA researchers are finally out in the real world after spending over year inside a Mars simulation designed to see if humans could one day live on the planet