20 Mind-Blowing Facts About Dinosaurs

11. Van-Sized Body, Walnut-Sized Brain

"Peanut brain" is sometimes used as an insult, but the Stegosaurus actually had a brain the size of a walnut - so slightly largely than a peanut. However, considering its body was the size of a large, multi-purpose van, proportionally it was struggling for brain cells.
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Contributor

NUFC editor for WhatCulture.com/NUFC. History graduate (University of Edinburgh) and NCTJ-trained journalist. I love sports, hopelessly following Newcastle United and Newcastle Falcons. My pastimes include watching and attending sports matches religiously, reading spy books and sampling ales.