Optical illusion: Only a true cat lover can spot the cat with a heart-shaped nose in 10 seconds
Cat lovers are invited to find a cat with a heart-shaped nose among several feline faces within 10 seconds. The special cat ...
3D-printed, bioresorbable implant could help patients regenerate their own heart valves
Every year, more than 5 million people in the U.S. are diagnosed with heart valve disease, but this condition has no ...