Synthetic Tree Hauls Water

A new microfluidic system offers a different way to move water.

A tree can transport water an amazing distance–from its roots, through a trunk up to 85 meters tall, and finally to its leaves, where the water evaporates. Now, scientists at Cornell University have created a microfluidic system to mimic that process. Their “synthetic tree” opens up a new way to move liquids over long distances without using mechanical pumps.