Physics
Can a Living Creature Be as Big as a Galaxy?
Why life is constrained to be about the sizes we see on Earth.
How Do You Say “Life” in Physics?
A new theory sheds light on the emergence of life’s complexity.
Describing People as Particles Isn’t Always a Bad Idea
Using physics to describe social phenomena can work—if it’s the right physics.
Superconductivity for Siberia
How we broke the world record in high-temperature superconductors.