tissue engineeringScienceThe Squishy, Far-Out New Experiments Headed to the ISSScienceWatch Mouse Embryos Develop Under This 4-D MicroscopeScienceTo Heal Wounds, Cells Time-Travel Back to a Fetal StateScienceBioengineers Are Closer Than Ever To Lab-Grown LungsScienceThese Beating Mini-Hearts Could Save Big Bucks—And Maybe LivesScienceScientists Figure Out How to Make Muscles from ScratchScienceWe Need More Kidneys. Here's How Researchers Are Making ThemScienceA Patient Gets the New Transgender Surgery She Helped Invent
