The Bible’s lex talionis – “Eye for eye, tooth for tooth, hand for hand, foot for foot” (Exodus 21:24-27) – has captured the human imagination for millennia. This idea of fairness has been a model for ...

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There are a few body parts that remain the same size from the moment we're born until the end of our lives. The human body is an incredible structure of balance, precision, and evolution. While most ...

Many body parts can be transplanted or replaced with artificial equivalents, including corneas, livers, hearts, joints, and even entire faces. This technology will improve by leaps and bounds ...