Special Issue: The 31st First Annual Ig Nobel Prizes
Upside Down Rhino Transport
Why People Do/Don’t Collide
Chewed Chewing Gum
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: Children
The 2021 Ig Nobel Prize Winners*
A Grizzly (Bear) Note*
The Acceptance Speeches*
The 24/7 Lectures*
Opera Libretto: “A Bridge Between People”
Ig® and Beyond: Speaking Up to Superiors, Dogs and Magnets*
Ig Nobel Limericks: Stinky Feet, Community Dad
Improbable Research Reviews
Improbable Research: Bats, Rats, and Flies, Indoors*
Medical: Deathly Kiss, Ritual Enema*
May We Recommend: Continuous Burning of Fake Feces*
News & Notes
On the Front Cover
The upraised big toe—the Babinski sign—evident in a child, in a Renaissance painting. See page 11 and page 22.
On the Back Cover
The main exhibition hall at the Ig Nobel Prizes exhibition in Fukuoka, Japan, October 2021.
Where There’s More
There’s always new improbable — it’s not what you expect! — stuff on the Improbable Research blog at IMPROBABLE.COM