The participants of Homeward Bound Cohort 4 (image) University of Sydney Share Print E-Mail Caption The participants of Homeward Bound Cohort 4, the largest all-female expedition to Antarctica. Credit Will Rogan Usage Restrictions Only for use with this story with 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.