More than a third of the world’s population lives in drylands, 【小题1】 people are experiencing significant water shortages. Engineers and scientists at the University of Texas at Austin have developed a low-cost gel film (凝胶膜) that can pull water from the air in even the driest climate. 【小题2】 (previous), researchers have harvested fresh water from fog and dew, but that only serves areas with high humidity. In fact, this gel is a vast improvement from previous water harvesting technologies. Scientists are planning on making a thicker gel 【小题3】 will increase the yield, making this technology a practicable solution to drought.