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.
What is Nonoxynol-9 (N-9) Nonoxynol-9 is basically a type of detergent. It disrupts the plasma membranes (outer barrier) of sperm and other cells. It has been shown in the laboratory to be quite effective at killing many STD pathogens, including HIV, herpes, chlamydia, and gonorrhea.