Slippery salamanders glide mysteriously through the canopies of the world’s tallest trees. Now, scientists say they understand how the small skydivers are able to maneuver seamlessly across ...

Ancient fossils reveal how woodless trees got so big: by continuously ripping apart their xylem and knitting it back together. Shawna was an editor at The Scientist from 2017 through 2022. She holds a ...