lens_matter
How Do You Say “Life” in Physics?
A new theory sheds light on the emergence of life’s complexity.
Why Our Intuition About Sea-Level Rise Is Wrong
A geologist explains that climate change is not just about a global average sea rise.
Describing People as Particles Isn’t Always a Bad Idea
Using physics to describe social phenomena can work—if it’s the right physics.
Why It’s Hard for Black Holes to Get Together
The universe’s greatest sinkholes have no trouble swallowing anything—except themselves.
These Astronomical Glass Plates Made History
Eight foundational images from the archives of the Carnegie Observatories.