How does caffeine keep us awake? - Hanan Qasim
Published July 17, 2017
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View full lesson: http://ed.ted.com/lessons/how-does-caffeine-keep-us-awake-hanan-qasim Over 100,000 metric tons of caffeine are consumed around the world every year. That’s equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we haven’t had enough sleep — but it …
- Published
- July 17, 2017
- Made for kids
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More features coming
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