Molecular analysis of the eggshell structure of large flightless birds such as ostriches and emus provides new insights into how they evolved. The study, published today in eLife, demonstrates that ...

The differences between the biogenic and abiogenic calcite in dinosaur eggshells: In the PLM images (A and E), biogenic calcite is dark, while abiogenic calcite is bright; On the IPF maps (B and F), ...

Researchers have examined how a chicken egg develops its hard outer shell, anchored securely to a soft inner membrane, and believe the insights have the potential to improve reconstructive surgeries ...