Biometry, or Biometrics, the application of statistics to the study of living things. Biometry is especially useful in studying growth or biological similarities and differences. It is a vital part of insurance, public health, forestry, and many other fields.
Parents just don't understand. Scientists didn't understand either, until they got a good look inside the teenage brain -- and what they saw turned what we thought we knew on its head.
Humans can certainly claim some of these, but sloths, giraffes and pandas wanted a piece of the action, too. The hyena adaptation, however, may just blow your mind.