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Story summary
- Researchers at Penn State University studied the effects of simulated Martian soil on tardigrades.
- They exposed two tardigrade species to two regolith simulants, MGS-1 and OUCM-1.
- MGS-1 significantly inhibited tardigrade activity within days, and OUCM-1 had a lesser impact.
- Washing MGS-1 with water largely restored tardigrade activity, indicating a dissolvable harmful component and potential contamination risk from Earth organisms.
- The study was published in the International Journal of Astrobiology.
