MEREDITH: WELCOME BACK. YOU KNOW WHEN YOU ARE BRUSHING YOUR TEETH AND THE TOOTHPASTE BECOMES REALLY FOAMY IN YOUR MOUTH? THAT’S BECAUSE OF A CHEMICAL REACTION AND IN THIS WEEK’S SCIENCE OF IT, WE ARE ...
Haley Mast is a freelance writer, fact-checker, and small organic farmer in the Columbia River Gorge. She enjoys gardening, reporting on environmental topics, and spending her time outside ...
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