Apple's Evolutionary Map (image) Boyce Thompson Institute Share Print E-Mail Caption This is a map depicting apple's ancient journey along the Silk Road. Credit Alexa M Schmitz/Yang Bai Usage Restrictions Must give appropriate credit. Share Print E-Mail 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.