Making Sense of Scents

Smells ‘R not us!

A rabbit has 100 million smell receptors

A dog has 220 million

We miserable humans have around 10 million receptorsl

Sharks may be able to track their prey by smell from up to a mile away, following a trail of microscopic particles of protein and blood. Some species can smell one molecule of blood in over one million molecules of water – equal to one drop of blood in a very large size Jacuzzi.

When it comes to smell, we really have taken leave of our senses.

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