Carbon Monoxide: Elephant Seals Have An Equivalent Of 40 Cigarettes A Day

Carbon monoxide is known as the "silent killer" because it is imperceptible and lethal. Most homes carry detectors. We think of it as artificial, due to car exhaust and such, but it is produced naturally in humans and animals, and some medical researchers have even evaluated the gas as a treatment for diabetes, heart attacks, sepsis, and other illnesses. Researchers at Scripps Institution of Oceanography at UC San Diego have studied carbon monoxide's natural characteristics and limitations by studying the gas in one of the world's best divers: the elephant seal. read more

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