Why You Don't Really Know the Size of a Walrus

The video explores how our perception of animal sizes is influenced by cognitive biases, motion, threat perception, and memory. It highlights that our brains often distort reality, leading to misconceptions about the size of animals like walruses and polar bears. The video discusses studies showing how motion can make animals appear larger and how fear can exaggerate size perception. It also explains how memory can be unreliable in estimating sizes, even for familiar objects. Overall, the video emphasizes the complex interplay between seeing and thinking, revealing the blurred line between perception and cognition.

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