How many calories should you be eating? How many hours of sleep do you actually need? Science may have just the answer! Scientists have discovered some fantastic life hacks to help us stay happy & healthy, and we'll share what they've learned in this new episode of Scishow! Hosted by Michael Aranda.

SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org
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