Perseverance will do things no rover has ever attempted on Mars — and pave the way for humans - CNN

The Perseverance rover will explore Mars in ways that weren't possible by previous rovers, using new instruments to search for signs of ancient life and test capabilities that could help humans land on Mars. https://www.cnn.com/2020/07/28/world/mars-perseverance-rover-technology-scn/index.html