for National Geographic News
Published July 7, 2010
"Protons, among the building blocks of atoms, are even smaller than we thought—and the unexpected discovery may alter some of the most trusted laws of physics.
All atoms are made up of nuclei orbited by electrons. The nuclei, in turn, are made of neutrons and protons, which are themselves made of particles called quarks. (Related: "'God Particle' May Be Five Distinct Particles, New Evidence Shows.")"
This is an even bigger WOW! Nothing like rewriting the laws of physics to get your brain moving.