Eggshell nanostructure protects a chick and helps it hatch
Nanoscale changes occur as a chicken egg incubates
JUST HATCHED Scientists have zoomed in on the internal structure of the chicken eggshell to figure out how it can protect developing chicks while eventually letting them break free.
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A chicken eggshell has a tricky job: It must protect a developing chick, but then ultimately let the chick break free.