Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of, and in opposition to, external forces like gravity. In this walking water experiment, liquid uses the ...

PITTSBURGH (KDKA) -- Candles are neat, calming to some and full of science. They are made of wax and a wick which seems pretty simple. Once you light the candle, the wick burns. As the wick burns, it ...

Cornell University researchers have created the world's first synthetic tree. So far, it's a very small 'tree' which stands in a palm-sized piece of hydrogel. This 'tree simulates the process of ...

This experiment demonstrates how plants transport water and nutrients through their stems. You'll witness the fascinating process of capillary action as white flowers transform into colorful blooms, ...

On July 9, we explored the science of capillary action in our new kids video series: Summer School with Live Science. In this week's installment, Live Science producer, Diana Whitcroft, will ...

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 ...