Listen up Potterheads! Muggle student scientists from U.K.’s University of Leicester have been researching some critical matters: do the spells and potions that Harry Potter and his fellow wizards use really need magic to work or do they have a scientific basis? The research papers, “Gillyweed – Drowning with Gills?” and “Revealing the Magic of Skele-Gro,” published in the Journal of Interdisciplinary Science Topics in May, investigated the magical plant and potion that helped the wizard in the popular book series.