Imaging Cancer Cell Invasion (1 of 2) (image) Brown University Caption Cancer cells advance across a microchip designed to be an obstacle course for cells. The device sheds new light on how cancer cells invade and could be used to test drugs aimed at preventing cancer spread. Credit Ian Y. Wong / Brown University Usage Restrictions None 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.