Zhang global maps (IMAGE) Texas A&M University Caption The first global maps of burrowing animal activity in today’s oceans, created by Dr. Shuang Zhang and his collaborators using global distribution predictions of the intensity (top) and depth (bottom) of their seafloor-sediment-mixing efforts, as generated by the Random Forest machine-learning model. Credit Dr. Shuang Zhang/Texas A&M University Usage Restrictions free use with credit 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.