man pollinating coca flower by hand (IMAGE) University of Göttingen Caption Manuel Toledo-Hernandez, first author and PhD student in Agroecology at the University of Göttingen, pollinating a cocoa flower by hand Credit M Toledo, University of Göttingen Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.