Toughest science and nature quiz in the world.
Question 1 of 10
Transducers change waves: what do transducers in a phones turn sound waves into?
Question 2 of 10
What adopted home of Marie Curie never elected her to its Academy of Sciences, despite the two Nobel prizes she won?
Question 3 of 10
There is a theory that gravity might come from a massless particle that emits gravity the way a photon emits light. What is this particle called?
Question 4 of 10
What star is at the end of the Little Dipper's handle?
Question 5 of 10
Instead of trying to lose calories, Australian dieters watch what other metric unit?
Question 6 of 10
As a boy, Joseph Meister was the first person I saved from rabies. And he in turn became caretaker of the institute named for me. Who am I?
Question 7 of 10
Until the Roman era, rabbits were pretty much only found in Iberia, so Biblical references to rabbits should be to what mammal?
Question 8 of 10
Which of these is not an element?
Question 9 of 10
In 1926, in his Aunt Effie's backyard, what Massachusetts physics prof was inspired by HG Wells' War of the Worlds to launch Nell, the first liquid-fueled rocket, up 41 feet?
Question 10 of 10
If you have all your toes, how many toe bones do you have?
Who Sang Quizzes
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Do you think you can name at least 6?
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Average Score: 929% knows the answer to this question: "Who sang the famous song "You Don't Bring Me Flowers" (1978) ? " -
Who sang these songs?
10 Questions
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Who Sang These Songs?
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Who Sang These Country Songs?
Question 10 is by far the hardest
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Who Sang These Songs?
Which music decade is your favorite?
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Who Sang These Christmas Songs?
What Christmas song is stuck in your head?
Average Score: 898% knows the answer to this question: "Who sang the song, "All I Want for Christmas Is You" (1994)? "
History Quizzes
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History Quiz
10 Questions
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Unbeatable History Quiz
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Average Score: 942% knows the answer to this question: "Which Hun emperor is called the Scourge of God? " -
History Trivia Quiz
Scoring higher than a 6 is impossible!
Average Score: 595% knows the answer to this question: "In which country were the majority of the Nazi extermination camps during World War 1I? " -
Quiz on History
We think you can do way better than a difficult 6
Average Score: 465% knows the answer to this question: "In June 2013, the north of which country suffered terrible floods? " -
10 History Questions
Do you know this riddle?
Average Score: 499% knows the answer to this question: "What is the name commonly associated with a 1974 military coup in Portugal? " -
History Quiz
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Average Score: 525% knows the answer to this question: "Which country won the 1958 FIFA World Cup in Sweden? "
Geography Quizzes
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HARD Science Quiz
We hope you're smart enough to score a 7+
Average Score: 450% knows the answer to this question: "What is the capital of Kentucky? " -
Play This Geography Quiz Now!
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Average Score: 660% knows the answer to this question: "Which country lies directly south of Mongolia? " -
Geography Quiz
Did you find your way to the last question?
Average Score: 454% knows the answer to this question: "Fulham is in which London postcode? " -
Geography Quiz
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Average Score: 522% knows the answer to this question: "What nationality is the explorer Vasco Nunez de Balboa? " -
10 Question About Planet Earth
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Average Score: 695% knows the answer to this question: "Which is the largest continent on Earth? " -
Geography Quiz
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Average Score: 655% knows the answer to this question: "One of the world's largest herds of what roam around the deserts of Australia? "
Music Quizzes
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Alternative Rock Music Quiz
Have you ever heard of any of these bands?
Average Score: 550% knows the answer to this question: "Which band released the influential alternative rock album "OK Computer" in 1997? " -
Barbra Streisand Quiz
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10 difficult questions about John Denver
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Average Score: 622% knows the answer to this question: "What was John Denver's birth name? "
Science Quizzes
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Can you get a better score than a 7?
Average Score: 762% knows the answer to this question: "In WWII who flew around in a plane called Avalon, named for St George's lance? " -
Quiz on Science
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Average Score: 971% knows the answer to this question: "What is a young kangaroo called? "
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Who or what am I?
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Literature Quiz
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General knowledge quiz