| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| (Neil de Grasse Tyson presents the clue.) The protons, electrons & other particles we know make up only about 5% of the universe; there's about six times as much of this mysterious shadowy stuff out there & we'redoing our bestto understand it | dark matter | $800 | DJ | HOW ABOUT A LITTLE SCIENCE? | 2025-05-07 | #9328 | |
| Vera Rubin confirmed the existence of this component of the universe, originally dubbed "missing mass" | dark matter DD | $5,000 | DJ | WOMEN OF SCIENCE | 2019-11-29 | #8105 |