Science News looks at a newly discovered, large-headed carnivorous dinosaur that, like T. rex, had surprisingly small forelimbs. But these independently evolved little arms were apparently… Read the rest “Little arms: T. rex didn’t invent them, and they didn’t come out of nowhere.”
They had strange, branching forms, says Popular Science as they look over fossils from Newfoundland. And they took off centuries before the so-called “Cambrian explosion”… Read the rest “The first animal communities are way, way older than you might think. (And weirder, too.)”
Science News looks at the world through the eyes of Dalmanitina socialis, a creature extinct for 400 million years who could focus on objects as close as 3 centimeters and as far as 2 kilometers… Read the rest “Camera lens based on a trilobite’s eye keeps objects in focus near and far.”
Irisosaurus yimenensis is a dinosaur discovered in 2020 in Yunnan, China, within the Fengjiahe Formation – a layer of sediment and fossils laid down in the Early Jurassic period,… Read the rest “Science Art: Irisosaurus yimenensis life restoration, by Ang Li.”
New Scientist reports on the best-preserved dinosaur embryo ever discovered, inside a 70 million-year-old egg that had been stored in Yingliang Stone Natural History Museum in Nan’an,… Read the rest ““Exquisitely preserved” dinosaur embryo discovered inside fossilized egg in museum storeroom.”
EurekAlert! shares the discovery that the world’s largest-ever flying creature, Quetzalcoatlus, a pterosaur with a 40-foot wingspan, managed to take to the skies despite its … Read the rest “Great jumping pterosaurs!”
This is the skull of a creature with lots of scientific names, but in “Osteology of Dolichorhinus longiceps Douglass, with a review of the species of Dolichorhinus in the order of … Read the rest “Science Art: Skull of Dolichorhinus cornutus (Osborn),”
Science News looks at a case of climate change from millions of years before humans existed – a series of volcanic eruptions that caused 2 million years of rainstorms, which paved … Read the rest “Volcanoes let dinosaurs happen – by changing the climate.”
A cute little dinosaur, about the size of greyhound and just as much built for speed. Which is strange, because on the other end – the snout and teeth – it seems to have been built… Read the rest “Science Art: Alvarezsaurus calvoi, Reconstruction, by Karkemish.”
Britain’s University of Bristol has looked at a few million years of evidence and found that it points to a grim fact about the dinosaurs. Their population was already not doing so … Read the rest “Dinosaurs were already in decline before the asteroid.”
The giant armadillo of Pleistocene-era Arizona, from David D. Gillette’s Smithsonian publication, Glyptodonts of North America, found on archive.org.
Based on their teeth and… Read the rest “Science Art: Schematic illustration of skeleton of Glyptotherium arizonae (modified for Glyptotherium after Burrmeister and Hoffstetter), 1981.”
Scientific American reports on new evidence that bacteria may be “effectively immortal” after researchers brought back microbes that settled to the ocean floor tens of … Read the rest “They resuscitated 100 million-year-old bacteria.”
Scientific American has looked at the fossil record and found it wanting. Instead of there being a regular pattern of mass extinctions (like the death of the dinosaurs) followed by the rise… Read the rest “Maybe mass extinctions *don’t* lead to a great flowering of new life forms.”
SONG: “In the Albatross Museum”
ARTIST: grant.
SOURCE: Based on Science Friday, 8 Jan 2021, “Giant, Toothed Birds Once Ruled The Skies”, as used in the post “The… Read the rest “SONG: In the Albatross Museum.”
Science Friday remembers the mysteriously vanished pelagornithids – birds that, we now know, once ruled the skies with toothy beaks and a wingspan twice the size of the modern albatross… Read the rest “The toothy mega-albatross”
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