The “Joides Resolution” research vessel (IMAGE) Heidelberg University Caption The “Joides Resolution” research vessel – here in the port of Lisbon – has been used since 1985 as part of the International Ocean Discovery Program for scientific drilling. The drill cores used in the current “warm ice age” study were taken during an expedition in the Gulf of Cádiz and off of southern Portugal. Credit André Bahr Usage Restrictions This image may be used only in connection with the contents of this press release, and the source of the image must also be cited. License Original 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.