When considering what makes up a human body, a physicist drills down beyond the atomic level. Columnist Chanda ...

If the word "quark" sparks memories of physics class, rest easy: a) I'm not qualified to write about physics; and b) that's not the kind of quark we're talking about. This quark is a cheesy, yogurt-y ...

Atoms are made of three things: protons, neutrons, and electrons. Electrons are a type of fundamental particle, but protons and neutrons are composite particles made of up and down quarks. Protons ...