People believe a lot of odd things. Donald Trump is the greatest President of all time; coal is good for humanity; I can loose weight with just 6 minutes exercise per day; the Queensland Reds will win the Super Rugby grand final.
I'm sure you've heard of radiation before - the emission of energy and its transmission through space or matter. When radiation has enough energy, it can break the chemical bonds within molecules and atoms and release particles at very high speed. This is known as ionising radiation and it can be quite nasty to organic life like plants and animals including we humans.
Humans are amazing creatures. We can paint murals, write concertos, and identify subtle changes in complex environments. As children, we can accurately infer someone's emotional state from facial micro-expressions, and even at just 12 months old, we can pick out faces of unfamiliar animals.
This last week I've been teaching a group of highschool students how to write more effectively. They are a smart bunch of kids from a highly selective school who can memorise facts and figures better than I can. Yet there is one thing they are absolutely terrible at.