The Curiosity rover, formerly called the Mars Science Laboratory, will sniff for molecules associated with life as we know it (Image: NASA)
IF THERE’S life on Mars, we might smell it before we see it. A chemical involved in and in humans could lead us to alien microbes on the Red Planet.
The sulphur-containing molecule methyl mercaptan is naturally produced in significant quantities on Earth only by , including some that make their pungent presence known in the human body. NASA’s next Mars rover is highly sensitive to the smelly chemical, which could betray the presence…
