NASA's Office of the Chief Health and Medical Officer (OCHMO) assembled a small working group to review hydrogen sulfide (H 2 S) Spacecraft Maximum Allowable Concentration (SMAC) values.

Since the end of November, the San Diego Air Pollution Control District has measured hydrogen sulfide levels above the California safety threshold in the Nestor area more than 15 times.

RTX Mega Geometry was revealed at CES 2025 with a range of compelling demos, but now we have our first example of the technology in a shipping game: Alan Wake 2. There are quality, efficiency and ...

The international team describes their results and the underlying molecular mechanism in Cell ... of the gaseous signaling molecule hydrogen sulfide (H₂S), which protects cells from oxidative ...

Sunlight activates the photocatalyst, splitting water into its molecular components. The gases can then be collected for storage and use. Because it utilizes sunlight for power, this method ...

Plug Power hopes to use a new federal loan guarantee to scale up production of hydrogen made by splitting the elemental fuel from water with electricity. Plug Power, which makes fuel cells and ...

USGS researchers have unveiled the first map of prospective locations for hydrogen gas in the contiguous United States — and there's a lot more than they previously thought. When you purchase ...

The time of waiting and hoping is over for taxpayers looking to finance and develop hydrogen projects. Treasury and the IRS issued enough guidance on Inflation Reduction Act tax credits this month ...

Tom Howarth is a Newsweek reporter based in Bristol, U.K. His focus is reporting on nature and science. He covers climate change, biodiversity, extreme weather, zoonotic diseases and more. Tom ...

The US Geological Survey (USGS) has released its first map of potential geologic hydrogen reserves in the United States, while Plug Power has secured a $1.66 billion US government loan guarantee ...