Ruby Fu studies the physics of multiphase fluid mechanics through porous media and how it shapes our natural and engineered environments. Her work combines mathematical theory, computation, laboratory experiments and field observations to advance our predicative capability of large-scale applications. Ruby's work is applied to a wide range of geoscience problems, including drylands and cryosphere hydrology, gas hydrate systems and soil biogeochemistry, geologic carbon sequestration and geothermal systems.