As the chick readies to hatch, the eggshell's inner surface weakens. How the hardness of eggshells is created by a matrix is fascinating biology. And it may give us insight into a more human problem: ...
It's chicken hatching time. If you've never seen a chick crack out of its egg but always wanted to, look no further than the Oregon State University Extension Service Chicken Hatch Cam. You can watch ...