It's another round of Hank facing off against one of the VidCon elite—this time, Executive Vice President Colin Hickey. Will Colin's surprise expertise help him dominate?

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...

Here, we will see how two forms of arsenic, arsenate and arsenote, disrupt energy metabolism via glycolysis and the TCA cycle, respectively.