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“#Early Cambrian fossil discovery gives new understanding into the origin of hemichordates” The foreground illustration shows Gyaltsenglossus as it would appear while motile. The background illustrates the posture of the animal while attached to the sea floor during suspension feeding. Credit: Illustrated by Emily S. Damstra.© Royal Ontario Museum New research undertaken by scientists at…
“#First 3D look at an embryonic sauropod dinosaur reveals unexpected facial features” The Titanosaurian embryo skull along with a skull and head reconstruction. Credit: Kundrat et al. /Current Biology About 25 years ago, researchers discovered the first dinosaur embryos in an enormous nesting ground of titanosaurian dinosaurs that lived about 80 million years ago in…
“#New Cretaceous Jehol fossil sheds light on evolution of ancestral mammalian middle ear” Holotype specimen of Sinobaatar pani. Credit: IVPP A joint research team led by Dr. Mao Fangyuan from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences and Prof. Meng Jin from the American Museum of Natural History…
“#Viking sword found in grave in central Norway” It’s been more than 1000 years since someone held this sword. It belonged to a warrior who lived in Trøndelag in Viking times. But why was the sword placed on the opposite side of what was common practice? Credit: Norwegian University of Science and Technology During the…
“#Fossil evidence of ‘hibernation-like’ state in 250-million-year-old Antarctic animal” Life restoration of Lystrosaurus in a state of torpor. Credit: Crystal Shin Hibernation is a familiar feature on Earth today. Many animals—especially those that live close to or within polar regions—hibernate to get through the tough winter months when food is scarce, temperatures drop and days…
“#First complete dinosaur skeleton ever found is ready for its closeup at last” The first complete dinosaur skeleton ever identified has finally been studied in detail and found its place in the dinosaur family tree, completing a project that began more than a century and a half ago. Credit: John Sibbick The first complete dinosaur…
“#Using math to examine the sex differences in dinosaurs” Credit: CC0 Public Domain Male lions typically have manes. Male peacocks have six-foot-long tail feathers. Female eagles and hawks can be about 30% bigger than males. But if you only had these animals’ fossils to go off of, it would be hard to confidently say that…
“#New neural network differentiates Middle and Late Stone Age toolkits” Middle and Later Stone Age populations inhabited a variety of landscapes present in eastern Africa, such as the open savannahs in the Omo basin or tropical coastal forests at Panga ya Saidi but used distinct toolkits to do so. Credit: left: M. Grove; right: J….
“#Remains dug from Japan mass grave suggest epidemic in 1800s” This undated photo provided Wednesday, Aug. 26, 2020, by Osaka City Cultural Properties Association shows human bones found at the north section of the “Umeda Grave” burial site in Osaka, western Japan. The photo was taken during the cemetery research between Sept. 2019 and Aug….
“#Sacisaurus helps to fill the hole in the evolution of ornithischians” Credit: Rodrigo Temp Müller A pair of researchers with Universidade Federal de Santa Maria has pieced together fossilized bones of a species of dinosaur called Sacisaurus agudoensis, a creature that was not much bigger than a modern dog. In their paper published in the…