Sweetener found in urine lets slip how much we pee into pools: up to 75L | Ars Technica
As a former US competitive swimmer this both interests and scares me.
Read MoreCharting the unknown possibilities of existence
As a former US competitive swimmer this both interests and scares me.
Read MorePeople love to ramble on about which stroke in swimming is the hardest. You will hear of the pain that
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