BrainStuff

How does a chicken's egg get its shell?

July 10, 2013, 4:26 pm • 3m

Which came first -- the chicken or the egg? Listen in as Marshall Brain gives the technical answer -- and takes a look at the science behind eggshell formation -- in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

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