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‘shouldn’t be there’ NASA's Curiosity rover has made a groundbreaking discovery on Mars, finding pure sulfur crystals that shouldn't be there. The rover discovered the yellowish-green crystals while searching for evidence of a habitable past on the Red Planet. This is the first time elemental sulfur has been seen on Mars, and it's an unexpected find that adds to the growing evidence that Mars was once a world with flowing water and potentially life-sustaining elements like carbon, hydrogen, nitrogen, oxygen, and phosphorus
These elements combined make up 98 per cent of living matter on Earth.

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