Along with quantum mechanics, Einstein's special theory of relativity serves as the basis of the Standard Model of particle physics ... quarks—the most massive elementary particles known.

The finding will help physicists better understand quarks, a type of elementary particle which is a fundamental building ... For decades, however, theorists have predicted the existence of four-quark ...

Now, you can find out what links the word for the most elementary particle in the universe with the name of an ancient Slavic food specialty. And why that's James Joyce. Surely, you've heard of quarks ...

There are, however, six different types of quarks which combine in different ways to form other kinds of particle. Those that have been detected so far contain at most, one heavy quark.