Derek Lowe discusses this paper: https://www.cell.com/current-biology/fulltext/S0960-9822(23)00826-6 https://www.cell.com/current-biology/fulltext/S0960-9822(23

Derek Lowe discusses this paper: https://www.cell.com/current-biology/fulltext/S0960-9822(23)00826-6 https://www.cell.com/current-biology/fulltext/S0960-9822(23)... Basically, people unable to see color due to a genetic mutation were given gene therapy. They still couldn't "see" the color but they could sense it was there.