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“#Researchers use fossilized teeth to reveal dietary shifts in ancient herbivores and hominins” Casts of two key specimens: Paranthropus aethiopicus (left) and P. boisei (right) Credit: Zeresenay Alemseged A new study published this week in the journal Proceedings of the National Academy of Sciences documents dietary shifts in herbivores that lived between 1-3 million years…
“#Life in a nutshell: New species found in the carapace of late cretaceous marine turtle” Recent study identifies a new species of extinct bivalves that seem to have lived in a unique habitat: the shell of an ancient, now extinct, leatherback sea turtle while the turtle was alive, which allowed this species to colonize new…
“#Ancient mammoth ivory carving technology reconstructed by archeologists” A team of archeologists from Siberian Federal University and Novosibirsk State University provided a detailed reconstruction of a technology that was used to carve ornaments and sculptures from mammoth ivory. The team studied a string of beads and an ancient animal figurine found at the Paleolithic site…
“#Survey of mustatils shows them to be some of the oldest stone structures in the world” Two examples of mustatils in the study area. Note the platform in the foreground of the top image, taken along the axis of a mustatil. The image at the bottom shows a side-on view of the Jebel Dhaya mustatil…
“#Mineral dust ingested with food leaves characteristic wear on herbivore teeth” Microscopic images of surfaces of guinea pig teeth show the typical abrasions caused by different foods. Credit: Daniela E. Winkler Mineral dust ingested with food causes distinct signs of wear on the teeth of plant-eating vertebrates, which can differ considerably depending on the type…
“#How dinosaur research can help medicine” Dr. Tanja Wintrich uses a polarized light microscope to examine the intervertebral disc of an ichthyosaur (marine reptile) from the Jurassic period. Credit: Martin Sander/Uni Bonn The intervertebral discs connect the vertebrae and give the spine its mobility. The disc consists of a cartilaginous fibrous ring and a gelatinous…
“#New species of Cretaceous brittle star named in honour of Nightwish vocalist” New species of Cretaceous brittle star, Ophiomitrella Floorae, named in honour of Nightwish vocalist. Credit: Dr Ben Thuy Paleontologists from the Natural History Museums in Luxembourg and Maastricht have discovered a previously unknown species of brittle star that lived in the shallow, warm…
“#A volume on past progress and new frontiers in the study of early birds and their close relatives” Credit: The University of Hong Kong The origins of birds and their flight was a major event in the history of life. A wealth of spectacular fossils has demonstrated that birds are theropod dinosaurs, with Pennaraptora being…
“#Brewing Mesopotamian beer brings a sip of this vibrant ancient drinking culture back to life” It’s been about five months since I set foot in a bar. Like many of you navigating life in a pandemic, I miss bars. I miss the simple pleasure of sharing a beer with friends. And I know I’m not…
“#Fossils reveal diversity of animal species roaming Europe 2 million years ago” Credit: Claire Terhune A re-analysis of fossils from one of Europe’s most significant paleontological sites reveals a wide diversity of animal species, including a large terrestrial monkey, short-necked giraffe, rhinos and saber-toothed cats. These and other species roamed the open grasslands of Eastern…