For decades, scientists believed that the tallest trees faced one of nature’s toughest challenges: Getting water from their roots to leaves hundreds of feet above the ground. Now, a study of towering trees in Southeast Asia suggests some of the world’s tallest flowering plants have evolved specialised systems to overcome that problem.

For decades, scientists believed the world's tallest trees faced a fundamental disadvantage during drought. The higher a tree grows, the harder gravity makes it for water to…

For decades, scientists believed that the tallest trees faced one of nature’s toughest challenges: Getting water from their roots to leaves hundreds of feet above the ground. Now,…