Coating the inside of glass microtubes with a polymer hydrogel material dramatically alters the way capillary forces draw water into the tiny structures, researchers have found. The discovery could ...

This close-up image shows water from a droplet moving into a narrow glass tube that has been coated on the inside with a hydrogel material. Disclaimer: AAAS and EurekAlert! are not responsible for the ...

When you water plants, you water their roots. But how does the water travel all the way from the roots of the plant to the leaves? They are standing upright: wouldn’t that defy gravity? In fact, there ...