• The man who grew eyes

    Growing nerve tissue and organs is a sci-fi dream. Moheb Costandi met the pioneering researcher who grew eyes and brain cells.

  • Smart and smarter drugs

    Are we asking the right questions about smart drugs? Marek Kohn looks at what they can do for us – and what they can’t.

  • Next on Mosaic

    In the 1980s, cystic fibrosis ended lives at 18. Twenty years of science has doubled those lifespans. Penny Sarchet meets those living through hope and progress.