Emiliana Huxleyi (image) Canadian Institute for Advanced Research Caption This is Emiliana huxleyi, a marine phytoplankton whose blooms can grow so large they are visible from space. The researchers found it does not require vitamin B1 to grow, as previously thought. Credit Photo by Bjoern Rost, Alfred Wegener Institut Usage Restrictions This image may only be used with credit to Bjoern Rost, Alfred Wegener Institut 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.