50 years ago, scientists were on a quest for quarks
Excerpt from the February 13, 1971 issue of Science News
![an illustration of a five-quark particle](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2021/02/010821_mt_quarks_feat.jpg?fit=1030%2C580&ssl=1)
In the last 50 years, physicists discovered that particle building blocks called quarks exist and come in many varieties and combinations (a five-quark particle is shown in this artist’s illustration).
CERN