Hot tubs have changed a lot in the time since the first human (or the first primate!) got the idea to hang out in a hot spring. Instead of depending on Mother Nature, humans now have all sorts of technology to make our own hot springs right in our own homes. While today’s hot tubs seem quite modern, the idea of bathing in hot water has been around for centuries!

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Tags: bathing, History, hot spring, hot springs, hot tub, hot tubs, hot water, mother nature, primate, timeline