TIL The human nose can detect over 1 trillion different scents? This is because the human nose contains around 400 different types of scent receptors, which allow us to distinguish between a wide range of smells. smithsonianmag.com Submitted by theythatspeak t3_zt7wzj on December 23, 2022 at 6:00 AM in todayilearned 26 comments 85
Bcbulbchap t1_j1delh4 wrote on December 23, 2022 at 2:04 PM In terms of detecting and identifying different smells, can dogs recognise burning toast or leaking gas any better than humans can? Mind you, I’d be unable to recognise any of my friends or family by sniffing their butts… Permalink 1
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