As avian embryos develop, they draw needed calcium from the inner most layer of their eggshell, which in turn thins the eggshell and facilitates hatching. Yet, parasitic cuckoos, which lay their eggs in nests of other bird ...
15 hours ago in Plants & Animals
Mick Yoder, assistant professor of biology at Penn State Brandywine, is using a colony of frogs to study cell behavior in embryonic development.
Oct 20, 2016 in Cell & Microbiology