Why Do We Find Things Disgusting? | BrainCraft Q&A!

It's my 50th episode! I'm celebrating by answering your questions about disgust, boredom, salty tears and BrainCraft.
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BrainCraft is written and hosted by Vanessa Hill (https://twitter.com/nessyhill) for PBS Digital Studios. Talking psychology, neuroscience & why we act the way we do.
Sound design: Joel Werner (http://joelwerner.com)

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More videos:
Your Warped Perception of Time https://youtu.be/5my9udw5_H4
Why do we get bored? by Vsauce https://youtu.be/Qwd25JV-jnU

More on the disgust scale: http://people.stern.nyu.edu/jhaidt/disgustscale.html
https://my.vanderbilt.edu/earl/files/2013/11/DS-R.pdf
http://www.jneurosci.org/content/30/38/12878.full

More BrainCraft:
4 Mental Shortcuts That Cloud Your Judgement https://youtu.be/v8Z6rdLjloA
Why We Fall For Pranks https://youtu.be/ToCQZRlztZQ

Earthworm picture via wjwilson/albion.edu