If you're not sure what all the fuss is about "QCD exotics" or exactly what a quark is, click the picture for an introductory overview.
You might also try the Particle Adventure brought to you by the folks at the Particle Data Group.
Some recent articles which have appeared:
There is a nice overview from the folks at Indiana University.
Some glitzy visualizations from Greg Kilcup.
A list of popular articles on hybrids, glueballs, and spectroscopy in general:
For more information see the news releases by the Associated Press and New York Times.
A transcript of an NPR radio report (which explains the controversy in more detail) is also available.
An article by Ted Barnes in Physics World
An article by Frank Close in Nature.
For a complete list of coverage, click here.
A movie of a hybrid wavefunction.
