New method achieves 4D imaging of fluids in pores

A method based on CT (computed tomography)—a type of imaging that is widely used in hospitals—can help improve our understanding of CO2 storage, batteries, and processes in the body such as nutrient uptake.

Surprising insights about debris flows on Mars

The period that liquid water was present on the surface of Mars may have been shorter than previously thought. Channel landforms called gullies, previously thought to be formed exclusively by liquid water, can also be formed ...

Don't blame Las Vegas for Colorado River woes

Another study refutes the belief that Las Vegas and other urban centers in the Southwest are sucking Lake Mead dry. Instead, if the region is to adequately address its water problems, policymakers must confront hard questions ...