Only take this quiz if you can handle it! Remember, we warned you!

Question 1 of 10

Tin cans are typically made with what soft metal, which is shored up with some manganese?

Question 2 of 10

Which of these has three greenish hearts, all in its head, to circulate copper-rich blood?

Question 3 of 10

In the 1860s, Jack Black was a royal rat-catcher who kept the unusual specimens he found and bred them, creating the first "fancy rats." For whom did he catch rats?

Question 4 of 10

Doctors call it aeroembolism. Some engineers call it caisson disease. What do we usually call it?

Question 5 of 10

Marie Curie was born where?

Question 6 of 10

What two numbers did the phone company traditionally use for the middle digit of three-digit area codes?

Question 7 of 10

What's the name of the planet that orbits between Mercury and Earth around the Sun?

Question 8 of 10

How many species of flies exist worldwide?

Question 9 of 10

Which of the following mammals is venomous?

Question 10 of 10

DV=AR+(2_xSF). Wired developed this formula, in which AR stands for animal radius and SF is shaking frequency. What does it determine?

Who Sang Quizzes

Can you name these famous artists?

Show your music knowledge in the comments

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Music Quiz For Music Geniuses

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Do you think you can name at least 5?

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You Know The Songs...

but who sings it? Let us know how many you knew!

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Who Sang These Songs?

How many artists did you know?

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Play Quiz

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General Knowledge Quizzes

Can you name the artists?

We bet you can't name half of these!

Average Score: 8

83% knows the answer to this question: " "
General Knowledge Quiz

What did you score?

Average Score: 0

94% knows the answer to this question: " "
10 Trivia Questions For You

So... what did you score?

Average Score: 5

68% knows the answer to this question: " "
15 Hard General Knowledge Questions

Find out if you have any brains

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73% knows the answer to this question: " "
Test Your General Knowledge

Play quiz to get the correct answer

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33% knows the answer to this question: " "
Knowledge Quiz Sudden Death

Are you smart enough to nail this one?

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89% knows the answer to this question: " "

Math Quizzes

No one can score a 7 or better

Math Test

Average Score: 9

84% knows the answer to this question: "Which is the largest number? "
Math Quiz

Can You Solve It Without a Calculator?

Average Score: 8

93% knows the answer to this question: "687+462+237 equals what number? "
Math Quiz

We hope you'll score higher than a 3+4

Average Score: 7

84% knows the answer to this question: "40x41÷40 equals what number? "
Can you solve this?

go to Math Quiz

Average Score: 9

27% knows the answer to this question: "If a five day vacations costs 2500 dollars, how much does each day cost? "
Math Quiz

We challenge you to score an 8+

Average Score: 9

32% knows the answer to this question: "What is twenty times twenty? "
Math Quiz

Absolutely no one scores higher than a 5

Average Score: 8

45% knows the answer to this question: "What is an estimate? "