All Articles
Why Birds Can Fly Over Mount Everest
A story for my grandchildren about oxygen, evolution, and our planet’s fate.
If Only 19th-Century America Had Listened to a Woman Scientist
Where might the US be if it heeded her discovery of global warming’s source?
Dark Matter Experiment Finds Unexplained Signal
Researchers say there are three possible explanations for the anomalous data. One is mundane. Two would revolutionize physics.
Why Gravity Is Not Like the Other Forces
We asked four physicists why gravity stands out among the forces of nature. We got four different answers.
The ‘Useless’ Perspective That Transformed Mathematics
Representation theory was initially dismissed. Today, it’s central to much of mathematics.
A Neuroscientist’s Theory of Everything
Karl Friston takes us on a safari of his free-energy principle.
The Supervolcano Under Yellowstone Is Alive and Kicking
Around 10,000 geothermal features in Yellowstone hint at a mysterious hot spot beneath the crust.











