Nitrogen compounds take on a variety of functions in biological systems and make the element indispensable for life on earth. And no industrial synthesis was as essential for mankind as the preparation of ammonia NH ₃. No wonder that the Haber-Bosch process was honored with a total of three Nobel Prizes. To the article about nitrogen on the website Fascination Chemistry

You can do nice experiments with liquid nitrogen. A few of them can be seen at this demonstration by the German Museum.

What happens when glowing lava and liquid nitrogen come together? You can see it in this video

Of course, there is also a video on nitrogen from the Periodic Videos series