The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about element number 82. Special submarines and heavy-duty glass -- learn all about lead in this lesson.
Lead (II) acetate was used in the Roman Empire as a sweetener for wine. It is because of this use, many believe lead (II) acetate as a plausible explanation for the dementia of many Roman emperors, and some even consider the chronic lead poisoning to have caused the Empire’s gradual decline.