GameSpot may get a commission from retail offers. You'll go through a lot of bullets in Once Human, and if you want to keep your guns loaded to stop the endless stream of interdimensional abominations ...

Butyric acid is infamous for its sickening smell — like rancid butter or vomit. Here’s how the oxidation method produces this unforgettable chemical.

Modern fertilizer manufacturing uses the Haber-Bosch and Ostwald processes to fix aerial nitrogen as ammonia, then oxidize the ammonia to nitric acid. Having already created a Haber-Bosch reactor for ...