Shiguru Watanabe of Japan is interrupted by Miss Sweetie Poo Emily Yue-Lin Chen (R) as he accepts the Ig Nobel Prize in Chemistry for the study "Estimation of the Total Saliva Produced Per Day in Five-Year-Old Children" at the 29th First Annual Ig Nobel Prize ceremony at Harvard University in Cambridge, Massachusetts, U.S., September 12, 2019. REUTERS/Brian Snyder