Scientists have created a catalyst for hydrogen generation from ammonia that becomes more active with time, and by counting atoms revealed changes that boost the catalyst's performance.

Nitrogen is an essential component in the production of amino acids and nucleic acids -- both necessary for cell growth and function. Atmospheric nitrogen must first be converted, or 'fixed,' into a ...

Bihar Board 12th Biology model sample papers for the 2025 board exams are out at biharboardonline.com. Get here Bihar board ...