Scientists have deliberately turned male mouse embryos into females for the first time. A team based in Japan used a CRISPR-based approach to remove the Y chromosome from male cells and create female clones of male mice. “No one has done this before,” says Monika Ward, a reproductive biologist at the University of Hawaii, who…
The other day I idly opened TikTok to find a video of a young woman refinishing an old hollow-bodied electric guitar. It was a montage of close-up shots—looking over her shoulder as she sanded and scraped the wood, peeled away the frets, expertly patched the cracks with filler, and then spray-painted it a radiant purple.…