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Scientists Have Solved The ‘Chicken Or The Egg’ Mystery

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“Which came first, the chicken or the egg?”

If you haven’t heard, the age-old ‘chicken or the egg’ mystery is not so confounding anymore—the issue has been resolved; scientists have revealed that the chicken came first (discounting the fact of other species that lay eggs existed before the chicken).

In the paper ‘Structural Control of Cystal Nuclei by an Eggshell Protein’ by Professor John Harding and Dr Colin Freeman published in June 2010, researchers from Sheffield and Warwick universities have found that the egg shells need the protein found only in a chicken’s ovaries to form.

This means that the egg cannot exist unless it has been created inside a chicken.

According to the Daily Mail, the protein—called ovocledidin-17 or OC-17—helps to speed up the development of the hard shell, which is essential in protecting the yolk and fluids while the chick grows inside.


“It had long been suspected that the egg came first, but not we have the scientific proof that shows that in fact the chicken came first,” Dr Freeman told the Daily Mail.

“The protein had been identified before and it was linked to egg formation, but by examining it closely we have been able to see how it controls the process.”

Professor Harding also added that this discovery could give clues towards “designing new materials and process”.

“Nature has found innovative solutions that work for all kinds of problems in materials science and technology—we can learn a lot from them,” he said.

So if the chicken came before the egg, where did the chicken come from—space?

[via Daily Mail Online, image via Vishnevskiy Vasily / Shutterstock]
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