AIR Vol 32, Issue 5

Special Issue: Mixtures

• Mixture Research Review*
• Mixing by Animals*
• Mixtures (Up and Down)
• Intestinal Gas Mixtures*
• Food Mixtures*

Improbable Research Reviews*

• May We Recommend: Spread of Vomited Contaminants in an Office Space*
• Medical Research: Black Widow Injection, Honey, You Are Wet*
• Improbable Research Review: Fleeing Birds, Dusty Days, Foot-Pumped Urine*
• Ig Nobel Illustrated: Lizard Pizza Preference*
• Ig® and Beyond: Electric Chewing Gum, Poo Shape*
• Ig Nobel Limericks: Gossip and Ice Cream*

News & Notes

• AIR Vents: Carrying a Purse, Watching Paint Dry
• AIR books
• Teachers' Guide
• Unclassified Ads
• Back Issues

On the front cover:

A mixture of bottles collected by the local populace in Paris, France, spring 2026. Photo: A.S. Kaswell.