Related Clues:
- Netflix's 'Bill ___ Saves the World'
- Bill of the Planetary Society
- Countdown time, for short
- Nevada's largest county by area
- Bill known for 14 Down
- Bill, TV's 'Science Guy'
- 'Science guy' Bill
- Science Guy Bill
- ''Saves the World'' guy on Netflix
- 12/31, for short
- 12/31, briefly
- Bill promoting science?
- Bill dubbed the "Science Guy"
- Initialism found in 17-, 29-, 45- and 59-Across
- Times Square countdown time, briefly