CERN
| Date | Clue |
|---|---|
| 2022-10-21 | Large Hadron Collider org. |
| 2022-01-09 | Lab where the Higgs boson particle was discovered |
| 2019-11-02 | Org. that operates the Large Hadron Collider |
| 2017-06-04 | Large Hadron Collider org. |
| 2016-07-29 | Lab housing the world's largest machine |
| 2014-07-13 | World's largest particle physics lab, in Switzerland |
| 2009-07-09 | World's largest particle physics lab |
| 1997-03-28 | Geneva research ctr. |