Popeye was right: spinach really is good for the muscles, and not just the ones in your biceps. In fact, scientists have discovered a way to use the leafy stuff, which has a vascular system not dissimilar to ours, to grow...
This heart is wrapped in a special electronic membrane that keeps it beating at the perfect rate. Researchers from the University of Illinois at Urbana-Champaign and Washington University in St. Louis developed the new membrane...