National Geographic (December 2021)

141 pages. Features: *4 pattern in nature, even the patterns can have patterns, and they're everywhere: As mate bait, camouflage, or living works of art *14 sounds: It's all audible! Read about (and listen to) shifty snake rattles, wildlife sheet music, web vibes , and more *20 color: Volcanic eruptions create a canvas where organisms can grow in a rainbow of hues *26 smell: Can science reclaim the smell of a flower extinct for more than a century? Sure, researchers said. Learn how they did it-and smell the proof *30 speed: Forces that shape the planet move at many different speeds. One that's accelerating at an alarming rate: Glacial melt from climate change *34 swarm: The swarm of wildebeests in the Serengeti's mass migration is one of earth's greatest spectacles