Recent eruptions offer reminders that lava, ash and size don’t fully explain how volcanoes become deadly. Geologists Gail Mahood and Donald Lowe describe some of the science and mysteries behind volcanic hazards.
Pumping an aquifer to the last drop squeezes out more than water. A Stanford study finds it can also unlock dangerous arsenic from buried clays – and reveals how sinking land can provide an early warning and measure of contamination.
Two of the most powerful telescopes in the world worked together to find the faintest millisecond pulsar ever discovered. The collaboration between the Fermi Large Area Telescope and China’s FAST radio telescope was spearheaded by Stanford physicist Peter Michelson.