Featured in optical illusions

How are rainbows formed? With simple atmospheric science.
Want art you can’t look away from? These 5 visual illusions will entrance your mind
Turn any magazine into a flashlight with this optical illusion
Your brain won’t let you see all 12 dots in this image
These two red dots are actually identical. Here’s how
These skulls look purple and orange. They are both red.
Here’s why your brain is so bad at those ‘spot the difference’ games
These strawberries aren’t red. Here’s why your brain is sure they are.
This triangle doesn’t exist
Don’t worry, those weird patterns you see with your eyes closed are real