dehydration
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.
Coffee: The Good, the Bad, and the Ugly
Coffee has been a traditional drink of equatorial peoples for hundreds of years. Its dark roasted flavor and stimulant effect have drawn countless adherents to the church of buzz and prompted the growth of a sizable market for coffee-related paraphernalia. Our relationship with coffee can be one of extremes, from casual enjoyment to chemical addiction, predicated upon whether coffee is consumed as a food or as a drug.