Yara is planning an initial public offering for its clean ammonia business on the Oslo Stock Exchange. The unit, which had sales of $1.2 billion in 2021, operates Yara’s trade and shipping arm. It ...

Engineering is the design and construction of systems and structures for influencing the world around us and enhancing our experience within it. Engineers use the fundamental principles of mathematics ...

Colorful streaks that suggest the hallucinogenic effects of psychedelic compounds burst from the middle one of five test tubes. Credit: Will Ludwig/C&EN Ancient civilizations revered them as spiritual ...