The idea here is to name the hammer or how it was used; there is a link to the answer page after the last photo.

I got a resounding zero correct.
Link: Hammer Quiz
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This one is the world, but there are many others at the top of the page.
Link: How Well Do You Know Your World?

Nothing special about this particular episode (they come out every Monday), except I just noticed that they're now embeddable, whereas before only the daily DisOrDat was. Have fun.
Link: You Don't Know Jack: Episode 26

Link: Can you name all the U.S. Presidents?
Link: 4th of July Quiz
Link: More

Link: 50 States in 10 Minutes
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Drag and drop the countries.
Link: Middle East Geography Quiz
Related: History of Religion

Previous hundred-day quizzes in the sidebar..
Link: THE BUSH QUIZ: THE TWENTIETH HUNDRED DAYS
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The bible is the "best seller" that is rarely read. How much do you actually know about the so-called "Good Book"?

Link: What Do You Really Know About The Bible?
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Test your pop culture literacy by trying to guess which are the hoax photos (i.e. those that have been manipulated in some way) and which are real.

Link: Hoax Photo Test: Level One
Link: Level Two
Link: Level Three
Link: Level Four
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No. No, it isn't. It's very culturally biased, and is a measure more of knowledge than intelligence. That said, I'm definitely no genius, but I did get 29 of them. Took awhile, and I only kicked myself for one I was close on - the others I'd have never gotten, so meh, whatever. Oh and the second test claims it has no cultural bias, which is a huge load of crap.
Link: INTELLIGENCE TEST
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*Update 3/30: The test has moved, and the MENSA claims are gone. Praise FSM..
Link: Test
Link: Test II

Can you tell?
Link: Homeless or Jesus?
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As a matter of fact, I did admire the fire extinguisher last time I went to an art gallery.
Link: Quiz: Art or Crap
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"Check on your dialect and see if you might have crossed over to the 'other side'!"
Link: Yankee or Dixie quiz