wikipedia doesn&#x27;t always have all the answers: <a href="https:&#x2F;&#x2F;www.quantamagazine.org&#x2F;20151110-evolution-of-big-brains&#x2F;#comment-361136" rel="nofollow">https:&#x2F;&#x2F;www.quantamagazine.org&#x2F;20151110-evolution-of-big-bra...</a>