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Bacterial evolution in ancient sub-seafloor sediments

Micro-organisms persisting deep below the seafloor for millions of years continue to evolve despite living at the energy limit to life......»»

Category: topSource:  physorgAug 18th, 2021

Scientists combine a spatially distributed sediment delivery model and biogeochemical model to estimate fluxes by water

Water erosion is the most active process controlling soil formation and evolution, which can affect the redistribution of carbon between terrestrial, aquatic, and atmospheric ecosystems. Erosion-induced organic carbon dynamic process should not be mi.....»»

Category: topSource:  physorgRelated NewsApr 25th, 2024

Deciphered Herculaneum papyrus reveals precise burial place of Plato

Various imaging methods comprised a kind of "bionic eye" to examine charred scroll. Enlarge / Imaging setup for a charred ancient papyrus recovered from the ruins of Herculaneum; 30 percent of the text has now been deciphered. (c.....»»

Category: topSource:  arstechnicaRelated NewsApr 25th, 2024

Gender-nonconforming ancient Romans found refuge in community dedicated to goddess Cybele

A Vatican declaration, the "Infinite Dignity," has brought renewed attention to how religions define and interpret gender and gender roles......»»

Category: topSource:  physorgRelated NewsApr 25th, 2024

Archaeologists unearth top half of statue of Ramesses II

A team co-led by a CU Boulder classics researcher has unearthed the upper portion of a huge, ancient pharaonic statue whose lower half was discovered in 1930; Ramesses II was immortalized in Percy Bysshe Shelly's "Ozymandias.".....»»

Category: topSource:  physorgRelated NewsApr 25th, 2024

Ancient giant tortoise fossils found in Colombian Andes

Paleontologists have discovered giant tortoise fossils in Colombia dating back some 57 million years, the university leading the excavation said, with the findings key to understanding South America's prehistoric eras......»»

Category: topSource:  physorgRelated NewsApr 25th, 2024

Researcher finds that wood frogs evolved rapidly in response to road salts

When we think of evolution, we think of a process that happens over hundreds or thousands of years. In research published in Ecology and Evolution a team led by Rick Relyea, Ph.D., professor of biological sciences and David M. Darrin Senior Endowed.....»»

Category: topSource:  physorgRelated NewsApr 24th, 2024

Mantle heat may have boosted Earth"s crust 3 billion years ago

Little is known about the nature and evolution of Earth's continental crust before a few billion years ago because cratons, or stable swaths of the lithosphere more than 2–3 billion years old, are relatively rare......»»

Category: topSource:  physorgRelated NewsApr 24th, 2024

How evolution has optimized the magnetic sensor in birds

Migratory birds are able to navigate and orientate with astonishing accuracy using various mechanisms, including a magnetic compass. A team led by biologists Dr. Corinna Langebrake and Prof. Dr. Miriam Liedvogel from the University of Oldenburg and t.....»»

Category: topSource:  physorgRelated NewsApr 24th, 2024

International study produces a comprehensive "tree of life" for flowering plants

With their own botanical collection material and their research knowledge on the evolution of cruciferous plants (plants of the cabbage family), bioscientists at Heidelberg University have contributed to a large-scale international study that has pro.....»»

Category: topSource:  physorgRelated NewsApr 24th, 2024

Evolutionary biologists show that the color variants of female cuckoos are based on ancient mutations

Every cuckoo is an adopted child—raised by foster parents, into whose nest the cuckoo mother smuggled her egg. The cuckoo mother is aided in this subterfuge by her resemblance to a bird of prey. There are two variants of female cuckoos: a gray morp.....»»

Category: topSource:  physorgRelated NewsApr 24th, 2024

Scientists use ancient DNA, historical context to unravel kinship, social practices of Avar society

A multidisciplinary research team led by scientists at the Max Planck Institute for Evolutionary Anthropology has combined ancient DNA data with a clear archaeological, anthropological and historical context to reconstruct the social dynamics of Avar.....»»

Category: topSource:  physorgRelated NewsApr 24th, 2024

A key gene helps explain how the ability to glide has emerged over-and-over during marsupial evolution

People say "When pigs fly" to describe the impossible. But even if most mammals are landlubbers, the ability to glide or fly has evolved again and again during mammalian evolution, in species ranging from bats to flying squirrels. How did that come a.....»»

Category: topSource:  physorgRelated NewsApr 24th, 2024

Advances in understanding the evolution of stomach loss in agastric fishes

Living beings can evolve to lose biological structures due to potential survival benefits from such losses. For example, certain groups of ray-finned fishes show such regressive evolution—medakas, minnows, puffera, and wrasses do not have a stomach.....»»

Category: topSource:  physorgRelated NewsApr 23rd, 2024

Same species, different sizes: Rare evolution in action spotted in island bats

A University of Melbourne researcher has spotted a rare evolutionary phenomenon happening rapidly in real time in bats living in the Solomon Islands......»»

Category: topSource:  physorgRelated NewsApr 22nd, 2024

This ancient snake in India might have been longer than a school bus and weighed a ton

A ancient giant snake in India might have been longer than a school bus and weighed a ton, researchers reported Thursday......»»

Category: topSource:  physorgRelated NewsApr 20th, 2024

"Forgotten city:" the identification of Dura-Europos" neglected sister site in Syria

The Dura-Europos site in modern-day Syria is famous for its exceptional state of preservation. Like Pompeii, this ancient city has yielded many great discoveries, and serves as a window into the world of the ancient Hellenistic, Parthian, and Roman p.....»»

Category: topSource:  physorgRelated NewsApr 20th, 2024

Dramatic burning of royal remains reveals Maya regime change

New archaeological investigations in Guatemala reveal that ancient Maya peoples did not just passively watch their dynastic systems collapse at the end of the Classic period. They actively reworked their political systems to create new governments......»»

Category: topSource:  physorgRelated NewsApr 19th, 2024

RNA"s hidden potential: New study unveils its role in early life and future bioengineering

The beginning of life on Earth and its evolution over billions of years continue to intrigue researchers worldwide. The central dogma or the directional flow of genetic information from a deoxyribose nucleic acid (DNA) template to a ribose nucleic ac.....»»

Category: topSource:  marketingvoxRelated NewsApr 18th, 2024

First evidence of ancient human occupation found in giant lava tube cave in Saudi Arabia

If you look from above, you can see thousands of stone structures dotting the landscape of the Arabian peninsula. On the ground, you can find a bounty of stone tools and ancient fireplaces scattered along the edges of ancient lakes, as well as rock a.....»»

Category: topSource:  physorgRelated NewsApr 18th, 2024

Researchers realize hydrogen formation by contact electrification of water microdroplets and its regulation

Direct utilization of water as a source of hydrogen atoms and molecules is fundamental to the evolution of the ecosystem and industry. However, liquid water is an unfavorable electron donor for forming these hydrogen species due to its redox inertnes.....»»

Category: topSource:  physorgRelated NewsApr 18th, 2024