Harper has been with the Wildlife Resources Division since 1999, most recently serving as assistant chief of the Fisheries ...
Researchers are turning to games to tackle increasingly diverse problems in wildly different ways. Some recent success ...
Some say the reason most manhole covers are round is that a circle cannot fall through a smaller circular hole. Which of these other two-dimensional shapes cannot fall through a hole that is the same ...
More about the shapes that can be made with complex dominoes ...
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