layout_2
What Do Animals See in a Mirror?
A controversial test for self-awareness is dividing the animal kingdom.
How to Learn to Love Your Doppelganger
Hallucinating yourself can be both a symptom and a tool.
James Doty’s Helper’s High
He gave away his last $30 million and felt free—a case study in altruism.
He Gave Away $30 Million Because It Felt Good
James Doty just may embody the altruism he studies.
The Disappearing Physicist and His Elusive Particle
He ushered symmetry into theoretical physics, then vanished without a trace.
Want to Get Out Alive? Follow the Ants
Ants show that emergency exits can work better when they’re obstructed.
Want to Get Out Alive? Follow the Ants
Ants show that emergency exits can work better when they’re obstructed.
The Sacred, Spherical Cows of Physics
Theoretical physics milks symmetry to power its newest tool.
Impossible Cookware and Other Triumphs of the Penrose Tile
Infinite patterns that never repeat have moved from fantasy to reality.
Stress Gives You Daughters, Sons Make You Liberal
We affect our children’s gender, and it affects us back.
When Theft Was Worse Than Murder
Hundreds of years of trial documents reveal our changing attitudes to violent crime.
