Neutrinos Reveal New Insights Into Earth's Deep Mantle Structure

Beneath the familiar surface of the world, radioactive elements have been quietly whispering for billions of years — and science has only now learned to listen. Researchers are using neutrinos, ghostly particles born from the decay of uranium, thorium, and potassium deep within Earth's mantle, to map the planet's interior with a precision that seismic methods alone could never achieve. Where earthquakes reveal the skeleton of the Earth, neutrinos reveal its chemistry and heat — a distinction that reframes our understanding of the slow, churning forces that move continents and build mountains.