Hydrogen sulfide (British English: hydrogen sulphide, but this spelling is not recommended by the International Union of Pure and Applied Chemistry nor the Royal Society of Chemistry) is the chemical compound with the formula H2S. It is a colorless gas with the characteristic foul odor of rotten eggs; it is heavier than air, very poisonous, corrosive, flammable and explosive.
An interesting conversation can instantly make a turn for the worst when bad breath hops into the scene. We’ve all had our share of bad experiences whether we were more or less forced to tolerate the repulsive stench of bad breath or we had a case of bad breath ourselves. Scientists at Nippon Dental University, [...]
In 1953, chemists Harold Urey and Stanley Miller conducted one of the most famous experiments of the past century, commonly known as the primordial soup, in which they tried to find out how the first sings of life on Earth surfaced by exposing a mix of gases to a lightning-like electrical discharge to create amino [...]