We covered Arsenic and wallpaper already, but another source of Arsenic you may come across is in old books.Potentially, the green colouration of some of those early books could well be Arsenic based. … read more

I know, the title sounds like it would be appropriate for a Halloween blog, doesn't it?I realize I do mention and even harp on keeping safe when picking far more than most picking related blogs. I do … read more