Why Are Eggs Egg-Shaped?

The video explains why eggs are shaped as they are, focusing on the balance between strength and practicality. Eggs need to be strong to resist damage but also practical to prevent rolling away. The ovoid shape helps eggs stay in nests, especially on cliffs, and allows them to fit snugly together for warmth. The strength of an egg is related to its curvature, with strong ends and weaker sides, allowing hatchlings to break through. The classic egg shape is a compromise that protects the young while being practical for nesting.

What is the relationship between the curvature of an egg and its strength?

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Why can eggs withstand vertical pressure but are easily cracked horizontally?

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