Featured by Nicole Wetsman

What actually happens when you pull a muscle?
Turn any magazine into a flashlight with this optical illusion
What animal do you see in this image of a nebula?
Your brain won’t let you see all 12 dots in this image
These skulls look purple and orange. They are both red.
This timeline shows just how insignificant humans are
These strawberries aren’t red. Here’s why your brain is sure they are.
How humans can echolocate like bats
We have no idea how dangerous football really is
High school concussion laws exist in every state, but getting them on the field is a challenge