By identifying nitrogen as the key element, we can better understand Earth's climate-chemistry interactions," said Prof. Yu. ...

Nitrogen is a critical limiting element for plant growth and production. It is a major component of chlorophyll, the most important pigment needed for photosynthesis, as well as amino acids ...

Louisiana's protocol says death row inmates will be forced to breathe pure nitrogen through a respirator mask for 15 minutes or for 5 minutes after the inmate's heart rate reaches a flatline on an EKG ...

Nitrogen makes up about 78% of the Earth's atmosphere. Liquid nitrogen is very cold, so it is often used to freeze food. The boiling point of nitrogen is −196 °C, so liquid nitrogen is very ...

There was chemistry Saturday at Tampa Bay Downs. Nitrogen the element may be seventh on the periodic table, but Nitrogen (f, 3, Medaglia d'Oro–Tiffany Case, by Uncle Mo) the filly was first Saturday ...