Category Archives: Mathematics and Logic

“Just say no”: Does chastity work?

The recent amazing discovery that teens like sex has led to campaigns promoting chastity among high school students. Advocates for this crusade condemn the promotion of condom use, claiming that avoidance of sex is the only way to prevent unwanted … Continue reading

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Do you believe in evolution?

The author and aphorist G.K. Chesterton once wrote “When people stop believing in God they don’t believe in nothing, they believe in anything.” Did you like that? If so, beware. It’s a human failing to mistake glibness for insight, and … Continue reading

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Which countries are research giants?

On its news website, the journal Nature recently published a graphic illustrating scientific research activity around the world as measured by the number of papers published from January to October 2011. Nature obligingly arranged the data by country. A glance … Continue reading

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WISE Math vs WNCP: Why your kids can’t do math.

“Would you like your children taught to read by a teacher who could read only at the Grade Five level?” That question (I paraphrased it) comes from Anna Stokke, a University of Winnipeg professor who teaches future teachers how to … Continue reading

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Splitting the Restaurant Bill

The problem Alice and Brian go out to lunch. Brian drinks only water with his sandwich, but Alice has a glass of wine and a more expensive sandwich. After the meal, Alice leaves her credit card on the table and … Continue reading

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Five Regular Solids, Part Three

Parts One and Two of this series of blogs established the following facts about solids that have F flat faces, E straight edges and V vertices. 1. The second fact concerns those solids that are regular. By regular we mean … Continue reading

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Five Regular Solids, Part Two

We have counted the number of faces (F), the number of vertices (V) and the number of edges (E) on five regular solids. These solids are regular because the number of edges bounding each face (m) is the same for … Continue reading

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