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Related Clues:
- Bill ___ the Science Guy
- ''Great Big World of Science'' author
- Time for a countdown: Abbr
- Bill with a bow tie
- Bill of science
- "Bill __ the Science Guy": '90s TV show
- Day for a ball drop (Abbr.)
- Science guru Bill
- ''Saves the World'' scientist
- Bill known as the "Science Guy"
- Celebration six days after Xmas
- December 31, for short
- The Planetary Society CEO Bill
- Ball-dropping occasion, briefly
- Times Square ball drop day, for short