Zap a lab-made ice of ethanolamine, water and methanol with electrons and it cooks up formaldehyde chains, formic acid and hints of choline-like molecules. The result: icy grains in interstellar clouds may quietly build precursors to nutrients, though the choline signal is too muddled to confirm.

— via arXiv — Astro-ph, Tara L. Stoib, Alejandro Guerrero-Caicedo, Duncan V. Mifsud, P'eter Herczku, Gerg\H{o} Lakatos, Zuzana Ka\v{n}uchov'a, Zolt'an Juh'asz, B'ela Sulik, Nigel J. Mason, Sergio Ioppolo, Paola Caselli, Barbara Michela Giuliano, Karl E. Duderstadt, Felipe Fantuzzi, Heidy M. Quiti'an-Lara