NMN—short for nicotinamide mononucleotide or beta-nicotinamide mononucleotide—is one of the main precursors to NAD+, an essential enzyme partly responsible for DNA repair, cell growth and ...

Martian dunes in Mars' northern hemisphere, captured from above by NASA's Mars Reconnaissance Orbiter using its HiRISE camera on Sept.… ...

Jan. 9, 2025 — Antibiotic-resistant Salmonella is a serious public health concern that has increased in recent years as the bacteria have developed ways to survive drugs. According to the U.S ...