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MOTHER EARTH NEWS1 min readChemistry
Test Your Cardboard
PFAS change surface tension to repel liquids, such as oils, fats, and water. Check for PFAS in cardboard by conducting a simple “bead test” using olive oil. The test relies on the opposing polarity between olive oil and fluorinated molecules, which c
MOTHER EARTH NEWS6 min read
Avoid ‘Forever Chemicals’ in Your Garden
Over the past decade, cardboard boxes have become a frequent visitor to many households, ultimately ending up in landfills and recycling facilities—but also in garden beds. In 2019, Amazon alone shipped about 2.5 billion packages around the world, an
MOTHER EARTH NEWS8 min read
Build a Cardboard Solar Oven
A solar oven can cook your food and heat your water when the sun is shining while emitting no smoke and making no noise. I made my first solar oven nearly 50 years ago, after reading an article in Mother earth News. Using mostly scrap materials, I’ve

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