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Fact of the Week
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Your nose can detect up to a trillion different smells
Fact of the week
25 March 2024
Your nose can detect up to a trillion different smells
We take more than 20,000 breaths per day. Each one is packed with scents and aromas that give us essential information about our surroundings. Our sense of smell warns us of dangers such as fire or gas, tells us what foods are safest to eat, and can even help predict the weather.

Find out more in:
100 Things to Know About Science

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