Ever wonder how much money there is in the world? The answer is complicated, which you might expect -- but it has nothing to do with tallying up all the numbers. Rather, it’s more about what ...

A new study has looked into this size misestimation phenomenon a little further, asking participants to estimate the size of ...

The Black Mamba and the Mongoose engage in a deadly predator-versus-predator battle in the African wild. The Mongoose, though ...