KJZZ Radio interviewed CEM Faculty member Melissa Wilson Sayres about her research on X and Y chromosome swapping. This research suggests that human gender may be more fluid than was once thought. “Because this swapping is sloppy over the boundary, because it doesn’t just stop, it helps illustrate this really strict idea of XX and XY being female and male is much fuzzier than we think,” Wilson Sayers said. To listen to the Hear and Now podcast or read the transcript click here.