As I mentioned in my previous post, simple and fun ways of demonstrating science and critical thinking can be hard to come by, but do exist when one takes a closer look.
This is one such wonderful science communicator who focuses on a topic I don't know enough about, but am becoming increasingly fascinated by (much thanks to her). Mathemusician and more, Vi Hart.
Check out this seasonally themed video, and others, on her YouTube Channel. Fascinating.