Full Idea
Quarks in threes can build hadrons with spin ½ (proton, duu; neutron, ddu; lambda, dus), or with spin 3/2 (omega-minus, sss).
Gist of Idea
Quarks in threes can build hadrons with spin ½ or with spin 3/2
Source
New Scientist writers (Why the Universe Exists [2017], 01)
Book Reference
New Scientist writers: 'Why the Universe Exists' [John Murray 2017], p.14