The oldest known fossils of dinosaur embryos have been examined in "unprecedented" detail to reveal how their skulls developed, according to a new study published Thursday.
원문출처 : https://www.cnn.com/2020/04/09/world/dinosaur-embryos-skulls-scli-intl-scn/index.html
원문출처 : https://www.cnn.com/2020/04/09/world/dinosaur-embryos-skulls-scli-intl-scn/index.html