Urease is one of the most consequential enzymes in the microbial world. By hydrolyzing urea into ammonia and carbon dioxide, ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

Halloween is on its way! With Oct. 31 closing in fast, there's no time to waste making plans for this year's celebration. Whatever you're conjuring up to mark the October holiday, we've got a ...