Life reconstruction of a close-to-hatching oviraptorosaur dinosaur embryo, based on the new specimen “Baby Yingliang.”Credit: Lida Xing Over the last 100 years, many fossilized dinosaur…
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Sampling of an undisturbed block of impregnated sediment for ancient DNA analyses. Credit: MPI f. Evolutionary Anthropology Ancient human and animal DNADNA, or deoxyribonucleic acid,…
Common Origin: Venoms in Snakes and Salivary Protein in Mammals Evolved From the Same Ancestral Gene
A new study has found that a class of toxins found in snake and mammalian venom evolved from the same ancestral gene. A new study…
Life reconstruction of a close-to-hatching oviraptorosaur dinosaur embryo, based on the new specimen “Baby Yingliang.”Credit: Lida Xing A 72 to 66-million-year-old embryo found inside a…
Credit: Caltech Viruses reproduce by taking over the replication machinery of host cells to make copies of their own genetic material, or genome. Unlike cellular…
Cooperation and aggression. Meerkats are showing us that one may not be possible without the other. In a study appearing this week in the journal…
When animals catch COVID-19First identified in 2019 in Wuhan, China, Coronavirus disease 2019 (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus…
Theropod dinosaurs evolved more robust jaws through time allowing them to consume tougher food, a new study reveals. Researchers used digital modeling and computer simulation…
Screenshot from the OneZoom tree of life explorer with leaves colored according to extinction risk and showing the ‘spiral’ view of the tree. Credit: OneZoom…
Researchers used DNA capture-enrichment technology developed at McMaster to isolate and rebuild the fluctuating animal and plant communities during the Pleistocene-Holocene transition. Credit: Julius Csotonyi…
Maize growth time-lapse. Grass is cut regularly by our mowers and grazed on by cows and sheep, yet continues to grow back. The secret to…
Associate Professor Bryan Fry faces off with a cobra at The University of Queensland. Credit: The University of Queensland The last common ancestor of chimps,…
Hydra. Credit: David Plachetzki A new paper in Genome Biology and Evolution, published by Oxford University Press, maps out for the first time how Hydra, which are…
A flock of sanderlings (Calidris alba), a long-distance migratory shorebird, which may benefit from being lighter colored to avoid overheating during migration. Credit: Pablo F.…
An adult and two juvenile individuals of the dinosaur Tethyshadros insularis showing the different appearances exhibited by immature and mature specimens in the ancient environment…
Coccolithophores are microscopic algae that form tiny limestone plates, called coccoliths, around their single cells. The shape and size of coccoliths varies according to the…
Life reconstructions of Kyhytysuka sachicarum from the Early Cretaceous of Colombia. Credit: Dirley Cortés A new 130-million-year-old swordfish-shaped marine reptile fossil sheds light on the…
A little-known species of tropical bee has evolved an extra tooth for biting flesh and a gut that more closely resembles that of vultures rather…
Human behavior drives the evolution of biological organisms in ways that can profoundly adversely impact human welfare. Understanding people’s incentives when they do so is…