5 things to know for January 12: Biden, Covid-19, Gas stoves, Big tech, Ukraine
By Alexandra Meeks, CNN When you fill up your coffee machine or humidifier, is tap water your choice? Naturally, many of us question how sterile our tap water is — or maybe even get a bit anxious thinking about the microorganisms in our faucets. Despite some misconceptions, tap water is generally harmless when ingested during
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