Referring Clues

• Bill ___, The Science Guy
• Old TV comedian Louis
• Actress Carrie
• Comic Louis
• "Bill ___, The Science Guy"
• Bill, the Science Guy
• TV's "Science Guy"
• Bill ___, the Science Guy
• "The Steve Allen Show" regular
• "The Science Guy" on TV
• TV's "Science Guy" Bill
• Old-time humorist Bill
• "Baled Hay" humorist
• 1920's-40's North Dakota senator Gerald
• Steve Allen regular Louis
• TV's Science Guy
• Bill ___, TV's Science Guy
• Science guy Bill
• "Bill ___, The Science Guy"
• Bill, TV's "Science Guy"
• Nevada county
• "Science Guy" Bill
• The Science Guy on TV
• Nevada's largest county
• Early TV comic Louis
• Carrie of "Creepshow"
• "The Eyes of ___" (public TV science show)
• Frequent ad-libber on "The Steve Allen Show"
• Comedian Louis
• Bill the Science Guy
• "The Science Guy"
• PBS "Science Guy" Bill
• Humorist Bill or Science Guy Bill
• Carrie, Bill, or Louis
• "The Steve Allen Show" comedian Louis
• Bill of kidvid fame
• Humorist Louis
• Carrie ___ (Dick Cavett's wife)
• Near-sounding kidvid scientist
• Bill, the "Science Guy"
• Stand-up comedian Louis
• "The Eyes of ___" (2005 PBS science show)
• Emmy-winning scientist Bill
• 1950s-'60s "Man on the Street" comic Louis
• Nevada county in which part of Death Valley National Park is located
• Da opposite
• "The Eyes of ___": 2005 PBS science show
• PBS's science guy
• 1950s-'60s "Man on the Street" comic
• Emmy-winning scientist
• Comic with Poston and Knotts on "The Steve Allen Show"
• PBS "Science Guy"
• Bill or Louis of TV
• "Science rules!" speaker
• "Science Guy" of PBS
• TV's "Science Guy"
• "Steve Allen Show" regular
• Carrie or Louis
• "Bill ___, the Science Guy"
• "Science Guy" Bill
• The Science Guy
• Kidvid scientist Bill
• "Science Guy" of TV
• PBS science expert
• PBS "Science Guy"
• PBS science guy Bill
• Science educator Bill
• "The Eyes of ___": 2005 PBS science show
• Memorable funnyman Louis
• Scientist with multiple Emmys
• "Steve Allen Show" regular
• "Science rules!" speaker
• "Science Guy" of PBS
• Nevada county whose seat is Tonopah
• Nevada county containing Yucca Mountain
• 'Science Guy' Bill
• TV's 'Science Guy' Bill
• Comical Louis
• 19th-century humorist Bill
• TV 'Science Guy' Bill ___
• Bill the 'Science Guy'
• 'Bill the Science Guy' ___,
• TV's 'Science Guy'
• 'Bill ___, the Science Guy'
• Near-sounding Nevada county
• TV "Science Guy" Bill
• TV scientist Bill
• TV host Bill___
• Humorist Bill
• Bill in a bow tie
• "Science Guy" once on 60-Down
• A brood of pheasants
• TV educator Bill in a lab coat
• Science expert seen on "... Millionaire"
• "Great Big Book of Tiny Germs" author
• Noted science guy
• Science advocate with a bow tie
• Science advocate Bill
• Louis ___
• Bill of science
• Big name in antiscience debunking
• Largest county in Nevada
• D.C.-born Bill
• Bill the "Science Guy"
• Blogger on planetary.org
• Science guy with a bow tie
• TV science educator
• Bill of educational tv
• Nevada's county
• Dec. 31
• Scientist on "Dancing with the Stars"
• Funny Louis of early TV
• Nevada county with part of Death Valley National Monument
• Scientist with a ballet-shoe patent
• Host of the web series "Emoji Science"
• A ____ of pheasants
• "Barometer in a Bottle" home-demo offerer
• Former PBS host with a bow tie
• TV 'Science Guy'
• Bill___, the science guy
• TV 'Science Guy' Bill
• Bill who popularizes science
• Actress Carrie who was married to Dick Cavett
• Bill who sells "Science Is Universal" T-shirts
• 2017 "world-saving" Netflix host
• C.E.O. of the Planetary Society starting in 2010
• Bill who's a science expert
• Comedian Louis of early TV
• TV scientist with 19 Emmys
• Netflix's "Saves the World" scientist
• December 31: Abbr.
• Pulitzer author russel
• Bill of science shows
• Louis or Carrie
• Scientist/TV personality Bill
• Bill often seen in a lab coat and bow tie
• Netflix series scientist
• "Undeniable: Evolution and the Science of Creation" author Bill
• Bill the Science Guy of TV
• One of Steve Allen's "men on the street"
• "Hi ho, Steverino" utterer
• Bill promoting science
• Louis who often had Steve Allen in stitches
• "Bill ___ Saves the World" (Netflix show)
• Emmy-winning "Science Guy" Bill
• Times Square ball drop time (Abbr.)
• Loopy Louis
• Netflix science series star
• "Bill ___ Saves the World" (Netflix talk show)
• Bill who's "the Science Guy"
• Scientific Bill
• Bill who once danced to "Weird Science" on "Dancing With the Stars"
• Honorary co-chair of the 2017 March for Science
• Scientist with 19 Emmys
• Bill born in D.C.
• Netflix science show host
• TV scientist whose show has won 19 Emmys
• "Bill ___ Saves the World" (Netflix series)
• Science promoter Bill
• Netflix's "Bill ___ Saves the World"
• Bill of educational shows
• Bill of the Planetary Society
• Countdown time, for short
• Nevada's largest county by area
• "Saves the World" guy on Netflix
• 12/31, briefly
• 12/31, for short
• Bill promoting science?
• Bill dubbed the "Science Guy"
• Times Square countdown time, briefly
• "Bill ___ Saves the World": science talk show
• Initialism found in 17-, 29-, 45- and 59-Across
• “Science Guy” Bill
• "Bill ___ Saves the World"
• High-energy TV scientist?
• Science whiz Bill
• December 31, in brief
• "Science rules!" host
• TV host in a lab coat
• Day when the ball drops: Abbr.
• Dec. 31 celebration
• Poet Naomi Shihab ___
• December 31, briefly
• 12/31
• 12/31: Abbr.
• Occasion to stay up until midnight: Abbr.
• TV science explainer
• Lab-coated TV educator
• Time for a countdown: Abbr.
• "Bill ___ the Science Guy": '90s TV show
• Day for a ball drop (Abbr.)
• Bill known as the "Science Guy"
• December 31, for short
• Celebration six days after Xmas
• Day before Jan. 1, for short
• Last day of Q4
• Bill advocating for science
• Last day of Dec., for short
• Night anticipating the Ball Drop, informally
• Holiday where the last word spoken is usually "one," for short
• It ends when 1/1 begins
• Bill concerned with science communication
• Time to drop the ball, in brief
• Bill supporting public television
• Dec. 31, for short
• Bill for education?
• 12/31 holiday, for short
• Science guru Bill
• Emmy-winning TV scientist Bill
• Dec. 31, in brief
• Countdown occasion, for short
• Bill promoting science education
• What comes before 1/1
• "Auld Lang Syne" time, for short
• Bill who says "Science rules!" in the intro to his TV show
• Bill addressing climate change?