Eric Walker added Lead–crime hypothesis - Wikipedia to Lead
Eric Walker changed the title of Reddit - Dive into anything to "Alchemy famously sought to turn lead into gold. But why lead? Out of all the different metals, why was there such a focus on lead?"
Eric Walker added Lead to Reddit - Dive into anything
Eric Walker placed Lead in drinking water under Drinking water
Eric Walker added Lead in drinking water to Lead
Eric Walker added Lead service line - Wikipedia to Lead
Eric Walker added Lead Exposure, Segregation Combine to Widen Achievement Gap to Lead
Eric Walker added Bad news: Leaded fuel reduced the IQ of everyone born before 1990 by ~4.25%. Millennials are the first to be born with unleaded gas. Worse news: a new paper shows environmental lead levels from leaded gasoline are still around in cities today, and cause continued neurotoxicity. to Lead
Eric Walker added Why Lead Used to Be Added To Gasoline to Lead
Eric Walker added a number of links to Lead, and added Lead to Chemical elements
Eric Walker added a number of topics and We found a new type of stellar explosion that could explain a 13-billion-year-old mystery of the Milky Way's elements and Is It Time to Upend the Periodic Table? - The New York Times to Chemical elements, and added Chemical elements to Chemistry and Atoms, molecules, chemicals, minerals, materials and compounds