Take the New England Patriots’ Super Bowl LI ring, for example. It featured an incredible 283 diamonds, representing their unforgettable comeback victory from a 28–3 deficit against the Atlanta ...

Example of smoking damage in an archaeological tooth. The magnified image shows variations in the tooth's cementum rings caused by smoking Credit must be given to the creator.

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Gymnastics rings ...