Snake Skin

BECAUSE they move without limbs, snakes need robust skin that can withstand constant friction. Some species climb up rough tree trunks, while others burrow into abrasive sand. What makes the skin of a snake so durable? Consider: The skin of snakes can differ in thickness and structure from one species to another. However, the skin … Continue reading Snake Skin


The Ant’s Neck

MECHANICAL ENGINEERS marvel at the ability of a common ant to lift weights many times heavier than its own body. To understand this ability, engineers at Ohio State University, U.S.A., reverse engineered some of the ant’s anatomy, physical properties, and mechanical functions by means of computer models. The models were created using X-ray cross-sectional images … Continue reading The Ant’s Neck