Blood urea nitrogen (BUN) is a blood test performed as a marker of kidney function. It is part of the basic or comprehensive metabolic panel done for health screening. It is also used to monitor the ...

More information: Pablo Moreno-García et al, Long-term nitrogen deposition reduces the diversity of nitrogen-fixing plants, Science Advances (2024). DOI: 10.1126/sciadv.adp7953 ...

A death row inmate has been executed using a novel method. Why have authorities in Alabama used nitrogen gas, and why is it controversial? Kenneth Eugene Smith was originally scheduled to be put ...