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Mexican students developed a toothpaste to reduce water usage

250 milliliters of water is wasted each minute someone brushes his or her teeth if the tap is left open according to students at Monterrey Institute of Technology, who developed a toothpaste that comes in capsules to save water and prevent oral health issues. Natalia Meneses has story.
22 Ago 2019 – 04:37 PM EDT
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