When compressed gases, including nitrous oxide, expand, they can reach temperatures as low as minus 40 degrees Fahrenheit.

Fire officials said the derailment ruptured fuel tanks on the engines, releasing several thousand gallons of diesel into the ground. A cracked nitrous oxide tank was also found at the scene but ...

A driver who failed to stop when he killed an elderly cyclist after ignoring a red light at a pedestrian crossing was inhaling nitrous oxide from a balloon before and immediately after the fatal ...

For 43 % of procedures, the nurse felt that general anaesthesia would have been necessary had the department not had access to nitrous oxide. Adverse effects, most often dizziness, were reported in ...