Stories by Kurt Kleiner

Lunchtime Leniency: Judges' Rulings Are Harsher When They Are Hungrier

People in Love Are Blind to Pretty Faces

A built-in aversion to attractive members of the opposite sex may help cement monogamous relationships

Illusions of Steepness and Height

When we judge vertical distances, environmental cues trick our brains

A Natural Log: Our Innate Sense of Numbers is Logarithmic, Not Linear

People without math training naturally think in terms of ratios

In Your Face

TV viewers are less tolerant of opposing views during extreme close-ups

The Face of a Winner

Mind Reads

Reviews and recommendations from the April/May 2007 issue of Scientific American MIND

Being Perfectly Bossy

Bigger Anesthetics May Be Better

Keep Your Eyes on the Eyes

For nonhuman primates, camouflaged eye movements clearly serve a purpose.

TV, TV on the Wall

Mind Reads

Reviews and recommendations from the February/March 2007 issue of Scientific American MIND

Venus in Repose

Curiosity Trumps E-Popularity