Gabriel Popkin

Contributing Writer

Illustration for "Ultra-Accurate Clocks Lead Search for New Laws of Physics"
experimental physics

Ultra-Accurate Clocks Lead Search for New Laws of Physics

Atomic clocks are letting physicists tighten the lasso around elusive phenomena such as dark matter.


Bacteria Use Brainlike Bursts of Electricity to Communicate

With electrical signals, simple cells organize themselves into complex societies and negotiate with other colonies.

School of Fish

Swirling Bacteria Linked to the Physics of Phase Transitions

The new experiments suggest that simple models can explain the behavior of thousands of interacting organisms.


Jammed Cells Expose the Physics of Cancer

The subtle mechanics of densely packed cells may help explain why some cancerous tumors stay put while others break off and spread through the body.


A Twisted Path to Equation-Free Prediction

Complex natural systems defy analysis using a standard mathematical toolkit, so one ecologist is throwing out the equations.

About the author

Gabriel Popkin is a freelance science and environmental writer based in Mount Rainier, Md., just outside the nation’s capital. He has written for Science, Nature, The New York Times, Johns Hopkins Magazine, APS News and many others.