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[podcast]http://edwardwillett.com/wp-content/upLoads//2009/12/Pizza-Slicing.mp3[/podcast]
It’s almost Christmas, and Christmas means food: turkey, dressing, candy canes, oranges, cranberries, chocolate, and, of course, pizza.
(OK, maybe pizza is not the most traditional of foods, but it’s still a popular holiday choice, so humor me.)
Pizzas normally come pre-sliced. The question is, and I’m sure you’ve asked yourself this a lot, “How do we eat this pre-sliced pizza in a way that ensures nobody gets an unfair share?”
That’s the question,
as New Scientist reported on December 11, that Rick Mabry and Paul Deiermann kept asking themselves when they used to share pizza for lunch at Louisiana State University in Shreveport. They kept getting into discussions about the mathematics of slicing it up while ...
Posted by Edward Willett at 12:59, December 17th, 2009 under Blog, Columns, Science Columns |
[podcast]http://edwardwillett.com/wp-content/upLoads//2009/09/Arachnophobia.mp3[/podcast]
“The itsy-bitsy spider went up the waterspout. Down came the rain, and washed the spider out...”
At which point a large percentage of us screamed and ran the other way, because surveys show that one fifth of men and a third of women are frightened of arachnids.
It makes sense, right? Spiders can be poisonous.
But so are stinging insects such as bees and wasps, and yet we seem to hate spiders more. At the University of Wurzburg, Germany,
psychologist Georg Alpers asked 76 students to rate photos of spiders, wasps, bees, beetles, butterflies and moths on how much fear and disgust they inspired and how dangerous they were. Spiders topped the list in all three categories—even though all bees can ...
Posted by Edward Willett at 14:17, September 3rd, 2009 under Blog, Columns, Science Columns |