Humanity has already crossed 7 of the 9 planetary boundaries. Why Earth's stability is breaking down and what can be changed ...

UCSB and UCLA scientists use a rare nitrogen isotope signature to measure how microbes remove water pollution and balance the ...

Key takeawaysMicrobes remove usable nitrogen by converting it into nitrogen gas, but measuring this process is difficult ...

When Did Oxygen Change the Earth? — Episodes 30 to 34Oxygen now accounts for about one-fifth of Earth's atmosphere.We use ...

The nitrogen cycle is closely related to the hydrological cycle, the continuous movement of water between Earth’s surface, atmosphere, and underground. Water is the primary medium for soluble nitrogen ...

Increasing fertilization has pushed the nitrogen cycle beyond planetary boundaries, yet its fate remains uncertain owing to long-standing neglect of landscape water velocities in nitrogen models.

A federal judge has banned Alabama from executing a death row inmate by nitrogen hypoxia, reversing a previous opinion and concluding that the controversial and relatively new execution method is ...

Liquid nitrogen is commonly used in laboratories for cryogenic storage, cooling and specialized experimental applications. It is a colorless, odorless, inert and non-toxic cryogenic liquid, with a ...

This indicator provides information about states’ progress towards developing and adopting state-wide numeric water quality criteria for total nitrogen and total phosphorus for the three main ...

Investors always look for the next big growth area, an innovation or trend that may transform business or our daily lives. That's because getting in on companies involved could produce mind-blowing ...