The Cambrian Code (The Signature Series, #2)

Dr. Hannah Lim went to China to excavate trilobites. She uncovered a 518‑million‑year‑old eye that could overturn 150 years of evolutionary theory, if she lives long enough to show anyone.

The fossil in the Chengjiang mudstone is a fully formed compound eye with its calcite lenses still intact. The rock beneath it holds no simpler eye and no precursor. Fourteen animal body plans appear at once in the same layers, and Hannah's math says random mutation couldn't have built them in the time the...