Levels of molybdenum in soil show that hydrogen sulfide gas wiped out nearly half of all marine life 530 million years ago.

The 50% demonstrated improvement related to Alzheimer's research may be evidence of how weirdly wonderful nature really can ...

Johns Hopkins researchers identified a new target for treating Alzheimer’s disease by focusing on a protein that produces tiny amounts of hydrogen sulfide in healthy brain cells.

You may not have heard of hydrogen sulfide, but I bet you'd recognize the smell. Hydrogen sulfide is the gas responsible for the rotten-egg odor that you come across near stagnant water and in drains.

The toxic gas eyed as a possible culprit in the deaths of six dairy workers in Weld County last week is an infrequent but potentially dangerous feature of this type of agricultural work, while experts ...

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TYLER, Texas (KLTV) - Hydrogen sulfide is a gas that naturally occurs in sewers, manure holes, water wells, and oil and gas wells. Dr. Bryan Tuten, a chemistry professor at UT Tyler, says hydrogen ...

Sign up for The Morning Report with all your must-read news for the day. The toxic gas turns its victims’ blood green by chemically altering proteins. Hundreds of ...

New research shows the Salton Sea is emitting hydrogen sulfide gas, which smells like rotten eggs, at levels higher than previously measured. Researchers say such levels of the gas raise health ...

Add Yahoo as a preferred source to see more of our stories on Google. In an aerial view, steam rises from fumaroles, or steam vents, situated between two of the five Salton Buttes lava dome volcanoes ...