Shiguru Watanabe accepts the Ig Nobel Prize in Chemistry at the 29th First Annual Ig Nobel Prize in Cambridge...
Shiguru Watanabe of Japan 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
