The human body is an incredible structure of balance, precision, and evolution. While most parts grow and change, a few are built to last from day one. From the moment we’re born, organs, bones, ...

Science writer Mary Roach chronicles both the history and the latest science of body part replacement in her new book. She ...

Scientists call some of these organs and body parts “leftovers” from evolution. You don't need some body parts to survive [YouTube] We’ve all got organs that work tirelessly to keep us alive, and ...