1. Now the discovery of nitrogen can be added to the list.

2. In Oklahoma, lawmakers are considering legislation that would allow the state to use nitrogen gas to execute inmates.

3. The town hall said Friday it was applying the restrictions after three days of excess levels of nitrogen dioxide.

4. Then they froze the body with dry ice before transferring it to a liquid nitrogen environment.

5. The agency said the software caused higher nitrogen oxide levels.

6. Oklahoma is considering legislation that would make it the first state to allow the use of nitrogen gas as a potential execution method.

7. From the perspective of chemistry, nitrogen atoms bond well with other atoms.