Andrea Estefanía Portales is a freelance science writer based in Argentina who also works as a graduated teaching assistant in biochemistry at the Faculty of Exact Sciences of La Plata National University (UNLP). Before exploring the science communication field, she obtained a Ph.D. in biology from UNLP, studying the mechanisms that regulate the appearance of energy-dissipating fat cells in white fat. Besides translating the hard science into edible content, she enjoys playing all kinds of sports.