Myth: The bigger your brain is, the smarter you are.
![](https://sprat.in/wp-content/uploads/2019/06/bigger-the-brain-is-smarter-you-are-e1560768599811.jpg)
Reality: Sperm whales have the largest brain of all animals — significantly larger than a human’s — but they aren’t the smartest creature on Earth. Humans don’t even have a particularly impressive brain-to-body-mass ratio.
Tags: Brain Sperm whales