Fossilized dinosaur eggshells can preserve amino acids, the building blocks of proteins, over millions of years
- Written by Evan Thomas Saitta, Postdoctoral Scholar in Paleontology, University of Chicago
A dinosaur eggshell cross section, as imaged under fluorescence microscopy. Evan SaittaAs a scientist, lab work can sometimes get monotonous. But in 2017, while a Ph.D. student of paleobiology at the University of Bristol in the U.K., I heard a gleeful exclamation from across the room. Kirsty Penkman, head of the North East Amino Acid Racemization...


