How Mars Lost Its Magnetic Field—and Then Its Oceans
Chemical changes inside Mars's core caused it to lose its magnetic field. This, in turn, caused it to lose its oceans. But how?
The Eight Best Hidden Impact Craters on Earth
Many impact craters on Earth have been erased thanks to wind, water, and plate tectonics. But scientists have clever ways to find them.
How Plate Tectonics Shook Life into Existence
The cycles of life all rely on the dynamism of the Earth’s crust.
How Street Dogs Spend their Days
Generally lazy, often friendly, the dogs of India know how to relax.
India’s Coronavirus Migration Crisis
Widespread market failure and unemployment triggered by the coronavirus pandemic have set off a crisis of domestic migration in India.
The Weed Scientist Who Brought Down the Wrath of Stalin
Nikolai Ivanovich Vavilov's hypothesis on the evolution of rye is now accepted. But in the 1930s, his research got him arrested.
Francesca Vidotto: The Quantum Properties of Space-Time
Theoretical physicist Francesca Vidotto on feminist epistemology, white holes, string theory, and her book (with Carlo Rovelli) on loop quantum gravity.
