This 'tree simulates the process of transpiration, the cohesive capillary action that allows trees to wick moisture upward to their highest branches.' ...

You are witnessing capillary action and it is around us everyday! Plants and trees wouldn’t survive without it. Even our ability to produce tears is dependent on this very important function.

Capillary action occurs because water is sticky, thanks to the forces of cohesion (water molecules like to stay close together) and adhesion (water molecules are attracted and stick to other ...

Introduction How do trees suck water all the way up to their leaves? How do paper towels soak up a spill? Are these things related? Try this project to learn about capillary action, and repeat a ...

Wicking houseplants and container gardens satisfies our urge for scientific amazement while ridding our landfills of shoelaces. It must be “green,” even though the laces are brown or black.