What shape does a bird egg have? A perfect combination of functional efficiency and simplicity, but describing it from a mathematical point of view is not at all simple or obvious. It is not a sphere, nor a cone, nor even an ellipsoid.
The search for a universal equation that fits any egg is one of those searches that have interested mathematicians for a very long time and perhaps today it has finally been found. work is described in the journal Annals of the New York Academy of Sciences.
I don't think it was a difficult thing, but it was certainly a challenging thing. Probably researchers only now have created a calculation program capable of putting together the shape of the egg and relating it to three geometrically known shapes such as the ovoid, ellipsoid and sphere and sequence them in perspective of a pear shape.
A USEFUL MILESTONE THE MATHEMATICAL DISCOVERY CONCERNING EGGS FOR TECHNOLOGICAL DEVELOPMENTS, FROM BIOLOGY TO ARCHITECTURE, UP TO THE FOOD INDUSTRY
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In fact, the egg is wider on one side, which is the one on which we place it on the table. The researchers reached this result by taking into account the measurements of the length, width and other dimensions of the egg and verifying them for several samples.
It seems that this is the exact formula for any bird egg and this would mean that the biodynamic mechanism for the formation of the egg is strictly similar for all these animals, therefore birds descend from a single ancestor, female and male.
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Perhaps this formula does not apply to the platypus, which is a mammal belonging to the order monotremes. The platypus is not a bird, it reproduces with eggs, which have little yolk, because the nourishment for the young comes from the milk that is secreted by the mammary glands located on the mother's skin. For birds, however, in the eggs the yolk is richer to ensure the complete development of the chick, until it breaks the shell and is born.
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