Mesh Box Staining Gadgets (IMAGE) Schmidt Ocean Institute Caption Experiments code-named "Mesh Box Staining Gadgets" are sealed to the seafloor at the Tica Vent, a site on the East Pacific Rise 2,500 meters deep. These experiments tested the theory of species dispersal through cracks in the Earth's crust. Credit Schmidt Ocean Institute Usage Restrictions with credit to Schmidt Ocean Institute 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.