Microscopic image of biofilm on rock (IMAGE) Georgia Institute of Technology Caption A groundbreaking new study led by Georgia Institute of Technology's Aawaz Pokhrel and published in Nature Physics has revealed that geometry influences biofilm growth more than anything else, including the rate at which cells can reproduce. Credit NASA Usage Restrictions No restrictions. License Public Domain 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.