Home Tech This Chemical Is So Hot It Destroys Nerve Fibers—in a Good WayTechThis Chemical Is So Hot It Destroys Nerve Fibers—in a Good WayNovember 14, 2018159FacebookTwitterPinterestWhatsApp Resiniferatoxin is 10,000 times hotter than the hottest pepper, and has features that make it promising as a painkiller of last resort.