Yeah, regrowing teeth has been in the news for decades. Treating cataracts with eye drops is one I noticed a few years ago. https://www.sciencemag.org/news/20

Yeah, regrowing teeth has been in the news for decades. Treating cataracts with eye drops is one I noticed a few years ago. https://www.sciencemag.org/news/2015/07/eye-drops-could-dissolve-cataracts https://www.sciencemag.org/news/2015/07/eye-drops-could-diss... I was surprised to find these start forming after age 40. It’s great when a little science fiction finally works.