A team of chemists at the Korea Advanced Institute of Science and Technology has succeeded in pulling an oxygen atom from a molecule and replacing it with a nitrogen atom. In their study ...

When two hydrogen atoms and an oxygen atom get close enough, the electron from each atom feels an attraction from the protons in the other atom's nucleus. This attraction pulls the atoms together. The ...

NASA says that this process divides an oxygen atom from each carbon dioxide molecule in Mars's atmosphere. When the air is passed through the device, it is checked for the purity and quantity of ...