Annals of Improbable Research

SEPTEMBER | OCTOBER 2009 (volume 15, number 5)


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Helmet Speeds You Up?
Solar System Vanishing?
Lazy Bureaucrats...


The features marked with a star (*) are based entirely on material taken straight from standard research (and other Official and Therefore Always Correct) literature. Many of the other articles are genuine, too, but we don’t know which ones.

Special Section: Helmets and Lost Planets

Helmets Make You Bicycle Faster—Limited Lifetime of the Solar System *—POEM: “Horton Sees a Pluto”—

Improbable Research

The Lazy Bureaucrat Problem*—

Improbable Research Reviews*

Improbable Research Review*— Improbable Medical Review*— May We Recommend*— Ptak: Tricycle as Outdoor Printing Press*—Boys Will Be Boys*—Soft Is Hard*—Icky Cutesy Research Review*—

News & Notes

AIR Vents (letters from our readers)
AIR Books
Puzzling Solutions—Teachers’ Guide
XKCD: “The Drake Equation”CARTOON: “Fashion”—Back Issues
Editorial Board
HMO-NO News: Hearty Breathing!
Unclassified Ads

On the Front Cover

A sea diving suit on exhibit at the Fjord & Bælt research center’s museum, in Kerteminde, Denmark, Painting by Nan Swift, inspired by a photo taken during the 2009 Ig Nobel tour of Denmark.

On the Back Cover

A passage from chapter 5 (“A Celestial World Discovered. or, Conjectures Concerning the Inhabitants, Plants, and Productions, of the World in the Planets... by Christopher Huygens”) of the book The Gallery of Nature and Art, volume 1, by the Reverend Edward Polehampton, R. Wilks publisher, London, 1815.

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