Tightly Bound Quarks (image) National Science Foundation Share Print E-Mail Caption Now that NSF-funded researchers have discovered the long-sought pentaquark, their next step is to study how quarks are bound together within this remarkable particle. They could be bound together tightly, as seen in this image. Credit CERN Usage Restrictions None Share Print E-Mail 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.