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#257 - Harold McGee - The Science Of How Smells Work


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Episode: #257 - Harold McGee - The Science Of How Smells Work
Pub date: 2020-12-18



Modern Wisdom


Podcast Notes Check out Episode Page and Show notes
  • Human smell receptors actually bind to smell molecules so, for a second, what you’re smelling is actually a part of you
  • Your sense of smell is dependent upon:
    • How close you are to whatever it is you’re smelling
    • How deeply you breathe in
    • How often you breathe in
  • Losing your sense of smell reduces the pleasure component of eating
  • The brain has 400 different receptors of smell– more than for taste
  • Studies of human physiology show that lavender has a relaxing effect and citrus has a stimulating effect
  • Human toddlers don’t seem to have adult revulsions to certain smells and researchers don’t know why
  • The more offensive your poop smells, the more it indicates you’re eating stuff that isn’t good for you
  • Smell is more episodic than vision – it’s easier to have experience attached to it


Read the full notes @ podcastnotes.org



Harold McGee is an author and food expert.

Our sense of smell sits at the front of our daily experience and yet our understanding of what smells are and how they're processed is almost non existent.

Expect to learn why smell may be the oldest of our senses, how our brains combine what hits our nose to create sensations, whether smell will be the new frontier for the entertainment industry, what an opera singer smells like and much more...

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Extra Stuff:

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To support me on Patreon (thank you): https://www.patreon.com/modernwisdom

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Get in touch. Join the discussion with me and other like minded listeners in the episode comments on the MW YouTube Channel or message me...

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