Gas: A Real Knockout

Some researchers have found that stinky sewer gas can really knock you out. They found that they could put mice into a state of near suspended-animation by exposing them to the smell.

“Hydrogen sulphide, a toxic gas that smells of rotten eggs, occurs naturally in swamps, springs and volcanoes.

But in mice, it was found to slow down heart rate and breathing and decrease body temperature, while keeping a normal blood pressure.”

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