In 2008, Paul Karason, a 57-year-old man from the Pacific Northwest, agreed to appear on the Today show. And appear is the best word for it, since he was there because of the way he looked. From head ...

The claim: 'It’s impossible for colloidal silver to turn you blue' Some people on social media are promoting the use of colloidal silver, which some claim can boost the immune system and fight ...

Most plants get their coloration from pigments, but an endangered South African cycad gets its unique silvery-blue hue from wax crystals and an underlying chlorophyll-rich layer, according to a recent ...