Life on Mars? Visible ‘Time Crystal’, Diabetes Breakthrough and More – Science News Roundup
NASA’s Perseverance rover detected minerals and patterns in a Martian lakebed rock that may signal ancient microbial life, though scientists stress this is not proof. Physicists created the first time crystal visible to the naked eye using liquid crystals and light. A stem-cell therapy allowed most type-1 diabetes patients in a trial to stop insulin injections for over a year. African leaders at a climate summit demanded more aid and linked heatwaves to fossil fuel emissions.