Dna-Like Atomic Chains In A Nanotube (IMAGE) Purdue University Caption Researchers have discovered 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 Purdue University/Jing-Kai Qin and Pai-Ying 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.