Here’s a simple problem, illustrated simply, that will have you cocking your head and wondering how it’s done. You won’t be the first. Aristotle (reputedly) first took a whack at this, and Galileo ...
IQ Test Examiner: All bears are white where there is always snow; in Novaya Zemlya there is always snow; what color are the bears there? Soviet Union Peasant: I have seen only black bears and I do not ...
The Flynn Effect -- the finding that IQ rose quite a bit during the 20th century -- raises quite a few paradoxes. Working backwards, the average IQ of people living in 1900 would be just under 70.
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