A site in China contains 190-million-year old organic remains from non-avian dinosaurs and dinosaur embryos, and some of the world’s oldest known eggshells, according to a new study. The study, published in the journal Nature, reveals for the first time how dinosaur embryos grew, developed and moved around within their eggs. The organic remains -- collagen discovered in bone -- also fuel hopes that many mysteries about dinosaurs may be resolved in the not-too-distant future. “Our hope is that we may be able to recover collagen from these tissues in the future and do additional analyses,” project leader Robert Reisz...