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), ...
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