This pixie dust is made of plastics and metal, and it harms our oceans like microbeads do.
The truth about sea salt
August 16, 2017, 10:12 a.m. by Melissa Breyer
Regardless of how you feel about iodine, here are the simple facts about this popular mineral.
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How one man's 40 years of weather records became a treasure trove of climate change data
August 16, 2017, 10:09 a.m. by Angela Nelson
billy barr's meticulous weather data about temperatures, snowfall and more made him the subject of a new short film.