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

In the early 1990s, I was picking one summer afternoon, driving east of Winnipeg, and ended up in the northern Ontario town of Kenora.I ended up walking into the local hardware store, which still reta … read more