"though much has changed since humankind fled the wilderness for civilized comforts, one thing hasn’t: we still clean ourselves with water. yet traditional showers take time, waste resources and don’t necessarily get the job done. instead, we should take a lesson from doctors who sterilize surgical instruments through techniques such as high-pressure, high-temperature autoclaves, ethylene oxide gas and ultrasonic vibrations. while these methods aren’t exactly “people-friendly,” a little research may enable modern humans to step out from under the indoor waterfall and give up the last of our caveman-like ways."
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