Disgusting 150-Ton ‘Fatberg’ Found in London Sewer

(via Popular Mechanics)  You might have been told at one point in your life to never pour grease or oil down the drain. This is more than just an idle warning. The grease you pour down your drain can clog sewer pipes and trigger backups of sewage. Solidified grease and fat can even mix with discarded wet wipes to form giant “fatbergs” that weigh hundreds of tons.