Spaceflight is hard on the heart, yet artificial ones grow better in space than on Earth
Mini-hearts seeded with human stem cells grow better in space than they do on Earth, a new study shows. (Image credit: Sean Escopete/NASA) The human heart shrivels away in space, but researchers have found that mini-hearts grown from human stem cells sprout in space significantly faster than in labs on Earth. Weird things happen toContinue Reading











