From the archives: The senses

Blind imagination; the best colour vision in the world; the sixth, seventh, eight, and ninth senses; and how to train yourself to see light polarisation.

Eye sculpture
Rufus46, CC BY-SA 3.0, via Wikimedia Commons

Some people, including a few famous ones, are unable to picture things in their mind.


The mantis shrimp can see more colours than any other animal in the world.


Head
Thomas Bartholin / Public domain

We all have more than the traditional five senses: proprioception, interoception, balance, and pain.


Bees navigate using sunlight polarisation patterns. And, with a little training, you can see them too.

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