| #9158, aired 2024-09-11 | THE ENVIRONMENT $400: (Bill Nye presents the clue.) To see how atmospheric concentration of this compound has recently risen to levels unprecedented in human history, take a look at the spike at the end of graph called the Keeling Curve carbon dioxide |
| #9087, aired 2024-04-23 | I'LL REMEMBER LATE APRIL $1600: On April 29, 1945 the 45th Infantry Division of the U.S. 7th Army arrived to liberate this concentration camp near Munich Dachau |
| #9055, aired 2024-03-08 | SOUTH OF THE EQUATOR $1200: Named for an earl, not a duke, this major New Zealand port has the country's largest concentration of Maori Auckland |
| #8946, aired 2023-10-09 | I'D LIKE TO SOLVE THE PUZZLE $1200: On this game show 2 contestants revealed a rebus picture puzzle by matching pairs of prizes & then had to solve the puzzle Concentration |
| #8816, aired 2023-02-27 | WHAT'S THAT SCI. ABBREV.? $800: PPM:
Used to describe the concentration of small amounts of something in a solution parts per million |
| #8773, aired 2022-12-28 | IT HAD TO BE HUGH $1600: Hugh Downs was the longtime host of this game show; Alex Trebek later hosted a Classic version Concentration |
| #8762, aired 2022-12-13 | CHEMISTRY $800: A cup of instant coffee is a solution & adding water is this process, the opposite of concentration dilution |
| #8756, aired 2022-12-05 | POINTING OUT DECIMALS $200: In 1938 the AMA signed off on a legal limit for blood alcohol concentration of a rather startling .15; today it's this .08 |
| #8720, aired 2022-10-14 | STORIES WITH HEART $600: Based on a true story, "Paper Hearts" tells of the bond & resilience of teens Zlatka & Fania while in this concentration camp Auschwitz |
| #8614, aired 2022-04-07 | WORLD WAR II $200: Nazi loot found in a salt mine included precious artworks, items stolen from concentration camp victims & more than 8,000 bars of this gold |
| #8469, aired 2021-09-16 | SCIENCE & MEDICINE $400: Augustin Fresnel's work in optical concentration was crucial in improving the effectiveness of these coastal buildings lighthouses |
| #8429, aired 2021-06-24 | A SIDE OF CHILE $1000: In the 1970s this Chilean dictator used Dawson Island as a concentration camp for political adversaries Pinochet |
| #8387, aired 2021-04-27 | WORDS THAT START WITH 2 VOWELS $1200: A region of the Earth's outer atmosphere containing a high concentration of free electrons the ionosphere |
| #8346, aired 2021-03-01 | HOW 'BOUT A GAME OF CARDS? $600: Think hard! This kids' game where you match pairs is also called Memory Concentration |
| #8023, aired 2019-06-26 | HISTORICAL MUSEUMS $800: This largest concentration camp was converted into a museum & a memorial to victims of the Holocaust Auschwitz |
| #7962, aired 2019-04-02 | BESTSELLERS $200: A Slovakian Jew is forced to leave a permanent mark on his fellow prisoners in "The Tattooist of" this notorious concentration camp Auschwitz |
| #7879, aired 2018-12-06 | RELIGIOUS MATTERS $1600: Kyudo is an archery-based martial art that uses this form of Buddhism for concentration Zen |
| #7771, aired 2018-05-28 | BEACH SEASON $1200: The red sand of Maui's Kaihalulu Beach is due to a high concentration of this metallic element iron |
| #7752, aired 2018-05-01 | POTENT MEASUREMENTS $800: In the U.S. ABV, or alcohol by volume, is half of this traditional measure of alcohol concentration proof |
| #7467, aired 2017-02-14 | STUDYING ABROAD $800: A program on Holocaust studies includes a visit to Birkenau, part of this largest concentration camp Auschwitz |
| #7404, aired 2016-11-17 | THE NATIONAL PARK SYSTEM $1200: This national park has the world's greatest concentration of geysers Yellowstone |
| #7276, aired 2016-04-11 | GARDENING $1200: For best flavor, herbs should be harvested in the morning, when these oils are at their highest concentration essential oils |
| #7166, aired 2015-11-09 | CHESS CHAMPS $400: World champ Mikhail Botvininnik practiced concentration by having this blown in his face cigarette smoke |
| #6971, aired 2014-12-29 | CLASSIC GAME SHOWS $600: That's yours truly back when I was hosting the "Classic" version of this show Concentration |
| #6878, aired 2014-07-09 | MEASURING DEVICES $600: When making beer or wine, you might want to use a saccharometer to measure the concentration of this in a solution sugar |
| #6659, aired 2013-07-25 | IT'S NOT MATT LAUER $800: During his tenure as co-host, he also hosted the game show "Concentration" Hugh Downs |
| #6563, aired 2013-03-13 | FOUND IN GERMANY $1000: This concentration camp site just north of Munich Dachau |
| #6466, aired 2012-10-29 | 2-LETTER RESPONSES $1,000 (Daily Double): These 2 letters & a number indicate the concentration of hydrogen ions in a solution pH |
| #6223, aired 2011-10-12 | CHILDHOOD HEALTH $400: (Dr. Oz delivers the clue.) An old-fashioned way to bring down fever is applying a vinegar solution--acid draws out heat & is specially effective on the feet, which have a high concentration of these glands sweat glands |
| #6139, aired 2011-04-28 | SPORTS SCIENCE $1200: (Sarah of the Clue Crew gives the clue from the Gatorade Sports Science Institute in Barrington, IL.) The concentration of these two expired gases determined by a metabolic chart tells athletes how many carbs as opposed to fat they're burning; burning a higher percentage of fat increases endurance oxygen & carbon dioxide |
| #5817, aired 2009-12-22 | "CON"SARNIT $600: Exclusive attention to one object, or a game that requires memory skills concentration |
| #5729, aired 2009-07-02 | CRY $1200: Roberto Benigni shields his son from the horrors of a concentration camp in this Italian Oscar winner Life Is Beautiful |
| #5712, aired 2009-06-09 | SCIENCE GLOSSARY $2000: The transfer of a fluid from an area of higher concentration to an area of lower concentration through a membrane osmosis |
| #5533, aired 2008-10-01 | WORLD HERITAGE SITES $400: This concentration camp in Poland is on the list as evidence of the inhumane nature of the racist Nazi policy Auschwitz |
| #5417, aired 2008-03-11 | WOMEN WRITERS $600: Recently published, "Suite Francaise" is by Irene Nemirovsky, who died in this concentration camp in 1942 Auschwitz |
| #5202, aired 2007-04-03 | GOOD TOMES $200: A Polish woman who's survived a concentration camp is the title figure of this William Styron novel set in 1947 Sophie's Choice |
| #4809, aired 2005-06-30 | ENDS IN "TU" $2,000 (Daily Double): 2-word Latin phrase meaning located in the original or existing place or position in situ |
| #4528, aired 2004-04-21 | HUGHS & CRIES $1600: "I hosted 'Concentration' a lot longer than Trebek did!" Hugh Downs |
| #4393, aired 2003-10-15 | TOUGH JOBS $1000: 2 assistants left Jayde Hanson, this type of circus performer, who admits, "My concentration wavers" knife thrower |
| #3880, aired 2001-06-15 | MOTTOES & SLOGANS $500: An infamous slogan from concentration camp gates stated that this "will set you free" Work (arbeit) |
| #3872, aired 2001-06-05 | I WON $300: The author of "A Beggar In Jerusalem", this concentration camp survivor won the Nobel Peace Prize in 1986 Elie Wiesel |
| #3741, aired 2000-12-04 | NATIONAL PARKS $200: This park contains more than 10,000 thermal sites, the greatest such concentration in the world Yellowstone |
| #3741, aired 2000-12-04 | TONIGHT SHOW ANNOUNCERS $400: He had 20/20 concentration as Jack Paar's announcer & sidekick Hugh Downs |
| #3658, aired 2000-06-28 | ED TV $400: In 1969 he did double duty as the host of "Concentration" & sidekick on "The Tonight Show" Ed McMahon |
| #3562, aired 2000-02-15 | "MED" SCHOOL $200: Some "transcend" with this type of deep thinking & concentration Meditation |
| #3423, aired 1999-06-23 | TELEVISION $1,000 (Daily Double): Robert Clary, who played Corporal LeBeau in this series, was interned in Nazi concentration camps in WWII Hogan's Heroes |
| #3414, aired 1999-06-10 | BITS OF YOU $500: Cindy Crawford's mole, or anybody's is a collection of cells with a high concentration of this pigment Melanin |
| #3373, aired 1999-04-14 | IN OTHER WORLDS $600: Instead of this, a shady Venusian might leave town "beneath one concentration of sulfuric acid particles" Under a dark cloud |
| #3143, aired 1998-04-08 | GAME SHOW WOMEN $400: Mark Goodson's daughter Marjorie was a model on the "Classic" version of this game Concentration |
| #2836, aired 1996-12-23 | 5-LETTER WORDS $400: Type of puzzle in which pictures or symbols represent words or phrases Rebus |
| #2783, aired 1996-10-09 | GAME SHOWS $600 (Daily Double): The longest-running game show on NBC, it featured the following: Concentration |
| #2729, aired 1996-06-13 | MUSEUMS $1000: James I. Freed's design for this Washington museum includes elements of concentration camp architecture The Holocaust Museum |
| #2659, aired 1996-03-07 | GAME SHOWS $300: When Hugh Downs hosted it, the board had 30 boxes; when I did the "Classic" version, it had 25 Concentration |
| #2536, aired 1995-09-18 | WORLD FACTS $100: The greatest concentration of islands in this ocean is in the Caribbean region the Atlantic |
| #2058, aired 1993-07-14 | NATIONAL PARKS $400: This Arizona forest features the world's largest concentration of fossilized trees Petrified Forest |
| #1969, aired 1993-03-11 | HIEROGLYPHICS $500: In ancient times symbols & sounds were combined like these puzzles on "Concentration" rebuses |
| #1938, aired 1993-01-27 | "UP"S & "DOWN"S $200: He hosted the daytime version of the game show "Concentration" from 1958 to 1969 Hugh Downs |
| #1667, aired 1991-11-26 | THE HUMAN BODY $500: A mole is a group of cells containing an unusually high concentration of this pigment melanin |
| #1568, aired 1991-05-29 | ANATOMY $400: This part of the eye is the site of the greatest concentration of pain receptive nerves the cornea |
| #1393, aired 1990-09-26 | THE BODY HUMAN $600: Freckles & moles are caused by a concentration of this skin pigment melanin |
| #1260, aired 1990-02-09 | THE BILL OF RIGHTS $400: Of Wheel, Jeopardy or Concentration, the one mentioned in the 5th Amendment Jeopardy |
| #1226, aired 1989-12-25 | HIGH SCHOOL HISTORY $400: The terms commando & concentration camp were 1st widely used in this 1899-1902 war in Africa the Boer War |
| #1064, aired 1989-03-30 | FASHION DESIGNERS $800: The daughter of a concentration camp survivor, she grew up in Brussels & married a prince Diane von Furstenberg |
| #886, aired 1988-06-13 | YOGA $400: One form that requires less concentration than Hindu yoga is "TM", which means this transcendental meditation |
| #857, aired 1988-05-03 | BOSTON $400: This famous square in nearby Cambridge has the largest concentration of bookstores in the country Harvard Square |
| #699, aired 1987-09-24 | GAME SHOWS $200: Going off NBC in 1973 after almost 15 years, this "Classic" game show returned to NBC in 1987 Concentration |
| #541, aired 1987-01-05 | FILM FACTS $400: Ironically, Bible Belt states of N. & S. Carolina are said to have largest concentration of these cinemas blue cinemas or XXX houses |
| #498, aired 1986-11-05 | THE QUEEN'S ENGLISH $400: Another name for the type of card game the British call "patience" solitaire |
| #494, aired 1986-10-30 | SCIENCE $2,000 (Daily Double): Of argon, ozone, & CO2,
the one of highest concentration in our air, making up nearly 1% of the atmosphere argon |
| #463, aired 1986-09-17 | HISTORY $500: Perhaps the most infamous concentration camp, it was located in Poland near the city of Krakow Auschwitz |
| #460, aired 1986-09-12 | STONES $300: These renal calculi may form due to high mineral concentration in the urine kidney stones |
| #420, aired 1986-04-18 | 5-LETTER WORDS $500: You had to make one before you could solve the rebus on "Concentration" a match |
| #392, aired 1986-03-11 | MEDICINE $400: Used to control functions like blood pressure thru awareness & concentration, its commonest form is EMG biofeedback |
| #343, aired 1986-01-01 | W W II $600: Before stopping at Bitburg Cemetery, Reagan visited the site of this concentration camp Bergen-Belsen |
| #154, aired 1985-04-11 | ANATOMY $1000: 1 of 2 areas, aside from the underarms, with the largest concentration of sweat glands the sole of the foot (or the palm of the hand) |
| #100, aired 1985-01-25 | GAME SHOWS $500: Long-running show hosted at different times by Jack Narz, Bob Clayton & Hugh Downs Concentration |
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