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“#Graduate student names new trace fossil discovered during coursework” Photos comparing a piece of the Apectoichnus lignummasticans trace fossil (left) to gribble borings in wood collected from Willapa Bay, Washington (right). Both photos are 6 cm wide. Credit: Scott Melnyk University of Alberta graduate student Scott Melnyk made an intriguing fossil find during a graduate…
“#Ancient Chinese text revealed to be an anatomical atlas of the human body” A part of a Taoist manuscript, ink on silk, 2nd century BCE, Han Dynasty, unearthed from Mawangdui tomb 3rd, Chansha, Hunan Province, China. Hunan Province Museum. Credit: WikiImages The standard history of anatomy traces its roots back to classical Greece, but a…
“#Scientists discover earliest fossil evidence of an insect lichen mimic” An ecological reconstruction of a 165-million-year-old lacewing mimicking a lichen that existed during the same time period. Credit: Xiaoran Zuo (CC BY 4.0) Scientists have uncovered the earliest known evidence of an insect mimicking a lichen as a survival strategy, according to new findings published…
“#Mastodons took frequent trips north when climate changed” The Warren mastodon, which was the first complete American mastodon skeleton found in the United States, on display in the Paul and Irma Milstein Hall of Advanced Mammals at the American Museum of Natural History. Credit: D. Finnin/ © AMNH New research suggests that American mastodons were…
“#Radiocarbon dating and CT scans reveal Bronze Age tradition of keeping human remains” Burial of a woman from Windmill Fields, Stockton-upon-Tees accompanied by skulls and limb bones from at least 3 people. The 3 people represented by the skulls and long bones had died 60-170 years before the woman with whom they were buried. Credit:…
“#How to weigh a dinosaur” The largest and the smallest: dinosaurs reached an amazing range in size through the Mesozoic Era. Credit: Vitor Silva How do you weigh a long-extinct dinosaur? There are a couple of ways, as it turns out, neither of which involve actual weighing—but according to a new study, different approaches still…
“#Ancient sloth found to have been bitten by ancient crocodile” Skulls in dorsal view of (a) an adult size black caiman Melanosuchus niger (MUSM CR); (b) a juvenile Purussaurus neivensis (IGM DHL45). La Venta (Colombia), facing the bite-marked tibia; (c) a fully grown P. neivensis (UCMP 39704), La Venta (Colombia). (d) Teeth of P. neivensis…
“#How Neanderthals adjusted to climate change” Various Keilmesser and a simple backed knife (top right) from the Neanderthal period 60,000 to 44,000 years ago, from the Sesselfelsgrotte cave near Kelheim (G-complex, excavations by Prof. Freund, FAU. Credit: D. Delpiano, UNIFE Climate change occurring shortly before their disappearance triggered a complex change in the behavior of…
“#Atlantic sturgeon in the king’s pantry: Unique discovery in Baltic Sea wreck from 1495” Credit: Pixabay/CC0 Public Domain Researchers at Lund University in Sweden can now reveal what the Danish King Hans had planned to offer when laying claim to the Swedish throne in 1495: a two-meter-long Atlantic sturgeon. The well-preserved fish remains were found…
“#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…