Lester Holt signed off from NBC Nightly News on Friday night after anchoring the program for ten years. He will now be ...

Ozone pollution is a global environmental concern that not only threatens human health and crop production, but also worsens global warming. While the formation of ozone is often attributed to ...

Detailed price information for Record Resources Inc (REC-X) from The Globe and Mail including charting and trades.

Most people have experienced the simple pleasure of giving themselves a chipmunk voice with helium, but there's also a gas that does the opposite.

The fifth-most abundant gas in the universe ... masters at extracting every molecule of oxygen from inhaled air to keep our cells alive – are flummoxed by nitrogen. This is one of the reasons ...

Furthermore, 5A molecular sieve showed better adsorption characteristics ... The feed (hydrogen and/or methane) and carrier gas (nitrogen) supplied from cylinders were regulated by (Victory) pressure ...

Jessie Hoffman was put to death Tuesday evening at Louisiana State Penitentiary in Angola, becoming the first person in the state executed using nitrogen gas. It also marked the first time Louisiana ...

However, a more potent pollutant and greenhouse gas that often gets overlooked is nitrous oxide (N 2 O). Molecule for molecule ... anthropogenic sources like nitrogen-rich synthetic fertilizers ...

When Louisiana carries out the execution of Jessie Hoffman on March 18, he will be strapped to a gurney, fitted with a gas mask and forced to breathe in nitrogen gas until his heart stops.

Jessie Hoffman is trying to halt his March 18 execution His lawyers say nitrogen gas protocol is shrouded in secrecy Louisiana attorney general has vowed to carry out the execution A death row ...