Arsenic trioxide is a toxic compound with a a long and complex history, known at least by the time of the ancient Romans. Here's a look...

Albertus Magnus ( c.  1200 - 1280) is a German Dominican friar, philosopher, scientist, and bishop, considered one of the greatest...

Arsenic (As) has been called the King of Poisons and the Poison of Kings. This silvery metalloid appears abundantly in the Earth and...