Dolphins have names for one another.
18
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
The world's smartest pig, owned by a mathematics teacher in Madison, WI, memorized the multiplication tables up to 12.
264
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
In the US, people can be rejected from joining the police force if they are too intelligent.
45