A potential new weapon in the fight against COVID-19: Food coloring

Ordinary food coloring suspended in tiny droplets in the air can generate oxygen free radicals that collide with airborne virus particles. wwing/iStock/Getty Images Plus – 2020 Aug 20 Authors Young Kim Associate Professor of Biomedical Engineering, Purdue University Hee-Jae Jeon Postdoctoral Fellow, Biomedical …