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How Does Marijuana Work?
Season 1
Episode 8
We explain the chemistry behind marijuana's high, and investigate what scientists are doing to ensure that newly-legalized weed won't send users on a bad trip.
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2:55
We're taking a look at body odors, and how we drape a tarp over them with chemistry.
3:35
Reactions looks into a football helmet and how chemistry helps keeps players safe.
4:00
We celebrate the International Year of Light by exploring the science behind light.