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The 4th Phase of Water
Solid, liquid, and gas—these are the three states of matter presented in the home-schooling science curriculum I was preparing to review with our 7-year-old daughter. The best example to learn these states is water in its different forms: moisture vapor in a cloud, liquid rain, and solid ice. I couldn’t stop there though, not when the intersection of biology and physics tells of a truly amazing fourth state of water that may be the key to life in the animal kingdom.
How to Paint Without Increasing Cancer Risk
Every wall of our new home needed a fresh coat of paint. A dozen gallons of paint later, we moved in without any evidence of off-gassing toxic, cancer-causing chemicals. This is of the utmost importance for our family given my cancer history (with lymphoma, think significant environmental toxicant exposure), and also because my wife is chemically-sensitive and reacts to airborne pollutants.