When Brian Chesky and Quora User initially launched what nowadays is one of the biggest travel websites, they named it AirBed&Breakfast.
Perfluorooctanoic acid (PFOA), linked in laboratory animals to an increase in tumours of the liver, pancreas and testicles and reduced fertility, is one of the chemicals used in the chain of reactions that makes the common non-stick surface Teflon.
Seems weâre out of the frying pan, into the fiery pot of hot water with this one. Researchers have found that some brands of PEX release chemicals into hot water, including ETBE, a substance sometimes added to gasoline; others give their water a distinct odor or taste of plastic, wax, or acetone (yum).