Triggering Waves in Antarctica with a Single Penguin Step

Emperor penguins are lords of the cold. They thrive in frigid conditions that would make human popsicles out of anyone relying on only the hair nature gave them for protection. Many researchers have bundled up and braved harsh Antarctic winters to study these fascinating birds and their strategies for survival. In 2011, a team of international scientists reported that tight-knit huddles of Emperor penguins exhibit wave-like motions. Every 30-60 seconds waves will propagate throughout the huddle,...