Material Forms a DNA-like helix (IMAGE) U.S. Army Research Laboratory Caption Researchers discover that a material forms a DNA-like helix when reduced to a string of atoms, as seen by the pink line in this graphic, encapsulated in a nanotube. Credit Photo Credit: Purdue University JingKai Qin and PaiYing Liao Usage Restrictions None License Licensed 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.