Under supersymmetry, dark matter could be made up of fermions, which are superpartners of bosons.

WSJ: New Data Boosts Case for Higgs Boson Find

Most bosons are messenger particles that cement the others, known as fermions, together.

ECONOMIST: The Higgs boson

They are known as fermions, after Enrico Fermi, the physicist who built the first nuclear reactor, and who also gave his name to Fermilab, a particle-physics laboratory near Chicago.

ECONOMIST: Particle physics makes sense, but it assumes too much

Six of the fermions are the quarks.

ECONOMIST: Particle physics makes sense, but it assumes too much

Another six fermions are known as leptons.

ECONOMIST: Particle physics makes sense, but it assumes too much