Calculating Scientists (image) University of Chicago Caption In the Feb. 1 issue of the journal Physical Review Letters, University of Chicago physicists Wendy Zhang (left) and Laura Schmidt, scientifically explain a feature of convecting fluids that colleagues have observed in laboratory experiments. The feature may help explain how hotspot volcanism created the Hawaiian Islands and other such landforms. Credit Photo by Dan Dry Usage Restrictions This image may be used by news organizations in reports describing the research of Wendy Zhang and Laura Schmidt. 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.