Archive for December, 2009

((WTF|Alpha))

December 22nd, 2009 by Steve | No Comments | Filed in Arithmetic, Units

What most people probably mean, I suppose, though Google admiringly takes the high road.

Can we go over parentheses again?

To be fair, this might be a better representation of the world’s “computational knowledge” than, say, a calculator.

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Thank God It Wasn’t a Radius

December 21st, 2009 by Steve | 1 Comment | Filed in Units

CSection 

I’ll pass on the photos, thanks.

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Two Fruit Bats Walk into a Bar Chart

December 19th, 2009 by Steve | No Comments | Filed in Graphs, NSFW, Statistics

Hey guys, you're in the "no licking" section of the bar. Mind taking it somewhere else?

When a male was chewing or severing the Chinese fan-palm leaves to make a tent, or when males crawled upon the upper surface of a tent or were grooming themselves within a tent, a female would fly to the tent, stretch her wings, move her head slowly towards the male, and then sniff the male’s face and neck. Subsequently, the pair’s heads extended towards each other and the bats would lick one another. At this time, the male would make approaches to the female with his thumbs.

If you teach statistics and have a good lawyer, you might consider using this article in class. Figure 2 (not shown) doesn’t have a bat illustration, but it has a fine interpretation of the regression line slope: “Therefore each second of licking prolongs copulation by approximately 6 s.”

Reference: Tan M, Jones G, Zhu G, Ye J, Hong T, et al. 2009 Fellatio by Fruit Bats Prolongs Copulation Time. PLoS ONE 4(10): e7595.doi:10.1371/journal.pone.0007595

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Teenage Math

December 15th, 2009 by Steve | 1 Comment | Filed in Graphs, Statistics

TeenageMath
As teens get older, the number 64 gets smaller, and the number 15 gets larger. (Source: The National Campaign to Prevent Teen and Unplanned Pregnancy, 2004 data.)

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