01:30Can you see the grey box? Sensory adaptation explained by Kit Yates #sciencedemo #optical #sensory
The Royal Institution
Check out our Patreon page: patreon.com/teded View full lesson: http://ed.ted.com/lessons/is-it-bad-to-hold-your-pee-heba-shaheed Humans should urinate at least four to six times a day, but occasionally, the pressures of modern life force us to clench and hold it in. How bad is this habit, and how long can our bodies withstand it? Heba Shaheed takes us inside the bladder to find out. Lesson by Heba Shaheed, animation by Artrake Studio.
Published 2016-10-10 · Watch on YouTube ↗
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01:30The Royal Institution
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29:29BBC Learning English
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