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Rio 2016: Why did the diving pool turn green? #makereducation

Olympicdivingpoolgreen

Quartz takes a look at the science behind the now infamous green pool from this summer’s Olympic Games in Rio.

Just before the women’s synchronized 10-meter platform diving competition in Rio on Tuesday (Aug. 9), the pool water turned from bright blue to a swampy green. British Olympian Tom Daley and American David Boudia, who won a Bronze and Silver medal respectively at the men’s diving event in the same pool when it was a clear blue, took to Twitter to express disbelief at the unsettling color change.

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