urine Dolphins recognize each other by the taste of their urine David Pescovitz

witch cakes In the 1600s, baked goods made with flour and urine were believed to ward off evil Thom Dunn

bodily functions Why does your pee take the shape that it does? Gareth Branwyn

pastor Man urinates on other passenger on red-eye flight Kevin Reome

witches brew Antiques Roadshow pro accidentally tastes urine dating back to the 1840s Rusty Blazenhoff

taking the piss Apartment complex evacuated due to man cooking urine David Pescovitz

citizen journalism Citizen journalists vs San Francisco's hydrophobic pee-reflecting paint Cory Doctorow

alchemy How pee brought us the modern world David Pescovitz

urine A better solution for astronauts who drink their own piss David Pescovitz

urine Man charged with urinating on other flight passengers Mark Frauenfelder

urine Canadian candidate sorry for peeing in coffee cup Mark Frauenfelder

micturation Urine danger from San Francisco's pee-soaked light poles toppling Andrea James

camels WHO asks people to stop drinking camel urine until MERS is contained Mark Frauenfelder

urine Use this one weird trick to earn 1/5th of a penny: pee in a toilet Mark Frauenfelder