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.
For Jack and his beanstalk, the sky was the limit, but nature's giants hit a point at which they can't grow any taller. What prevents lofty trees like sequoias from soaring any higher?
The science of happiness has been booming lately, and we've found out a lot about who's happy, what makes us happy and how to become happy. Take this quiz to find out how much you know about the art of being happy.