Investigating Population Changes

How have the ages of three countries’ populations changed from 1950 to 2020? And what problems might that create?

Olympics: Medals by Population

Do big countries always have the most medals? Which smaller countries rank surprisingly high in the Olympics?

Analyzing Movies’ Success

So should we make another movie in this series?

A Caffeine Investigation – Part 2

What do people know about the amount of caffeine in common beverages?