At the uppermost reaches of stream networks, headwaters dry up during the summer, then burst back into existence when spring ...

Imagine if Earth's history had a mystery novel, and one of its biggest unsolved puzzles was: Where did all the nitrogen go?

Mass spectrometry is an analytical technique that uses an instrument called a mass spectrometer to measure the mass-to-charge ratios of molecular ions. Molecules fragment within the mass ...

Brooks just announced the newest addition to their sneaker catalog; the Ghost 17. Now available for preorder, the Ghost 17 isn’t just a refresh of an old favorite.

IN a letter in NATURE of February 20, p. 268, under the title “Nitrogen in the Sun,” Prof. Saha, in his discussion, refers to the occurrence of nitrogen lines in stellar spectra. He says ...

Combined with earlier buyouts and retirements, the Health and Human Services Department will be left with 62,000 employees, down from around 82,000. Agencies face an April 14 deadline to present ...

Mass gainer protein powders, also called weight gain protein powders, are specifically formulated for athletes and weightlifters looking to pack on pounds — particularly lean muscle mass. Unlike ...

1 College of Environmental Science and Engineering, Ocean University of China, Qingdao, China 2 Lishui Ecological and Environmental Monitoring Center of Zhejiang Province, Lishui, China Nitrogen ...

Arkansas could be the next state to put a person to death using nitrogen gas. On March 18 Gov. Sarah Huckabee Sanders signed Act 302 into law, which allows nitrogen hypoxia to be used to kill death ...

State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China State Key ...

Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, PR China Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Central South ...