Nitrous oxide is a gas released into the atmosphere by the respiration of microorganisms in the soil, but it is broken down into its harmless components by ultraviolet light from the sun. (discovermagazine.com)
The three biology experiments discovered unexpected and enigmatic chemical activity in the Martian soil, but provided no clear evidence for the presence of living microorganisms in soil near the landing sites. (solarviews.com)
The three biology experiments aboard the landers discovered unexpected and enigmatic chemical activity in the Martian soil, but provided no clear evidence for the presence of living microorganisms in the soil near the landing sites. (solarviews.com)