By Lena YangNovember 20, 20210 mins read69696 Views
Arsenic: it’s been called the “king of poisons” and the “poison of kings.” And for good reason – it has a lengthy, storied history, one full of mysterious poisoners and sometimes less-than-sympathetic victims. It's been a tool for thousands of years, used to kill countless people by shutting down their cells; a pea-sized amount of the stuff is enough to cause excruciating death.