19th century These 19th century textile mill's "behavior blocks" were made to shame employees' "exceeding naughtiness" Mark Frauenfelder
devolution Arizona upholds grim abortion ban — punishable by up to 5 years — that dates back to 1864 Carla Sinclair
Technology How the introduction of the push-button in the late 19th century freaked people out Gareth Branwyn
Engineering NYC's massive steam network vaporizes two Olympic pools of water per hour Ellsworth Toohey
psychology How an 1800s French doctor's experiments with electrocuted faces revealed science of real smiles Ellsworth Toohey
psychology Stanford's massive tobacco ad archive reveals a century of psychological manipulation Ellsworth Toohey