The Ingenious Design of Woodpecker Skull Mechanics
Number of words: 509 Slow-motion footage, X-ray images and computer simulations have shed light on how woodpeckers avoid injuries to their brains as they peck. Their heads move some 6m/s (20ft/s), at each peck enduring a deceleration more than 1,000 times that of gravity. But researchers reporting in Plos One say that unequal upper and lower beak … Read more