Aerodyne Scientist Recognized for Best Paper Award Fangzhou Guo, a senior scientist at Aerodyne Research, received a 2022 Best Paper Award from Environmental Science & Technology Letters (https://pubs.acs.org/doi/10.1021/acs.estlett.3c00667). Each year, the ES&T Letters editorial advisory board members and the editorial team nominate awardees from the manuscripts published. The 2022 winners