Scientists are not sure how much metallic dust remained in the atmosphere after the most recent SpaceX rocket 'disassembly.' ...

So iron, Fe, reacts with oxygen in the air ... The atmosphere is made up of around 78% nitrogen (N₂) and 21% oxygen (O₂). Both of these are present as molecules of two atoms bonded together.

A research team has discovered how the 'Shethna protein II' protects the nitrogen-fixing enzyme nitrogenase from damage. The oxygen sensor protein could help to make nitrogenase usable in ...