Heads up all would-be pool-urinators: Science has a darn good reason why this summer you shouldn’t sneakily pee while you swim. Sure, it is inconvenient to get out, dry off and use a restroom, but ...

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Filling a swimming pool with tiny water balls known as Orbeez can be a colorful way to conduct science experiments. YouTubers Mark Rober and the Backyard Scientist teamed up to do just that in their ...