Steller Sphere on Instagram: "Polar bears do not consciously understand the physics of pressure and force to know that "being flat" is the optimal way to distribute their weight across thin ice. Their behavior is an instinctual and learned adaptation rather than a deliberate application of physics principles. When moving across precarious surfaces, a polar bear instinctively: Sprawls its body out to distribute its mass over a larger surface area. Crouches low and walks slowly. Tests the ice by s