The term science also refers to the organized body of knowledge people have gained using that system. Less formally, the word science often describes any systematic field of study or the knowledge gained from it. Get great science articles each month with the. Science Made Simple newsletter.
Phenylalanine has been around as long as life itself, if not longer. It's not something that someone invented one day. It's like oxygen: no one invented it, it's been here as long as anyone can remember, and far longer! J. Heinrich Matthaei and Marshall W. Nirenberg figured out a way to make a bacterium produce long chains of phenylalanine molecules in 1961.
Xenon was discovered in 1898, in London, by William Ramsay and Morris Travers. They discovered it in the residue remaining after liquid air had been fractionally distilled. Spectroscopic analysis showed the previously unseen beautiful blue lines that indicated the presence of a new element â xenon. Travers wrote of their discovery, âkrypton yellow appeared very faint, the green almost absent.