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Complexity Scientist Beats Traffic Jams Through Adaptation
To tame urban traffic, the computer scientist Carlos Gershenson finds that letting transportation systems adapt and self-organize often works better than trying to predict and control them.
How to Assess Risks During the Coronavirus Pandemic
The medical research scientist and Quanta puzzle columnist Pradeep Mutalik explores how to make sense of COVID-19 data while managing your personal risk.
Reasons Revealed for the Brain’s Elastic Sense of Time
New research finds that the subjective experience of time is linked to learning, thwarted expectations and neural fatigue.
Physicists Argue That Black Holes From the Big Bang Could Be the Dark Matter
It was an old idea of Stephen Hawking’s: Unseen “primordial” black holes might be the hidden dark matter. A new series of studies has shown how the theory can work.
The Simple Math Problem We Still Can’t Solve
Despite recent progress on the notorious Collatz conjecture, we still don’t know whether a number can escape its infinite loop.
At the Math Olympiad, Computers Prepare to Go for the Gold
Computer scientists are trying to build an AI system that can win a gold medal at the world’s premier math competition.
How Mathematical ‘Hocus-Pocus’ Saved Particle Physics
Renormalization has become perhaps the single most important advance in theoretical physics in 50 years.
A New Algorithm for Graph Crossings, Hiding in Plain Sight
Two computer scientists found — in the unlikeliest of places — just the idea they needed to make a big leap in graph theory.
‘Trained Immunity’ Offers Hope in Fight Against Coronavirus
A novel form of immunological memory that was mostly ignored for a century extends the benefits of vaccines. It could be of help in ending the COVID-19 pandemic.