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Fact of the Day: The human nose can detect over one trillion scents
Most people underestimate just how sophisticated the human nose is. Research shows we can detect over one trillion distinct scents—a capability that plays a crucial role in how we experience food, perceive danger, and even form memories.
What’s more, your sense of smell isn’t fixed. Like a muscle, your sense of smell can be sharpened. Want to sniff out flavours like a sommelier or detect subtle scents like a perfumer? Here's how:
Source: TED-Ed / YouTube
