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Be Smart
Can a Billion Oysters Save New York City?
After a century of industrial pollution and superstorms, New York's waterways needs help!
Why Some of the Rainbow is Missing
Join Joe Hanson as he explores curiosity and illuminates the science behind… well, everything.
Why Some of the Rainbow is Missing
Season 11 Episode 14 | 11m 18s | CC
Over 200 years ago, scientists were looking at sunlight through a prism when they noticed that part of the rainbow was missing. There were dark lines where there should have been colors. Since then, scientists have unlocked the secrets encoded in these lines, using it to uncover mind-boggling facts about the fundamental nature of our universe and about worlds light-years away.
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