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Tracing the evolution of wheat spikes since the Neolithic revolution

About 12,000 years ago, the Neolithic revolution radically changed the economy, diet and structure of the first human societies in the Fertile Crescent of the Near East. With the beginning of the cultivation of cereals, such as wheat and barley, and.....»»

Category: topSource:  physorgFeb 2nd, 2023

Aggressive wall lizard provides clues to understanding evolution

Body shape, color and behavior often evolve together as species adapt to their environment. Researchers from Lund University in Sweden have studied this phenomenon in a specific type of large, bright green and aggressive common wall lizard found near.....»»

Category: topSource:  physorgRelated NewsApr 29th, 2024

Tidal disruption event ASASSN-19bt experiences unusual radio evolution, observations show

An international team of astronomers has conducted detailed radio and X-ray observations of a tidal disruption event (TDE) designated ASASSN-19bt. Results of the observational campaign, presented April 18 on the pre-print server arXiv, shed more ligh.....»»

Category: topSource:  physorgRelated NewsApr 29th, 2024

Isotopic evidence reveals surprising dietary practices of ancient hunter-gatherers

It has long been thought that meat played an important role in the diet of hunter-gatherers before the Neolithic transition. However, due to the scarcity of well-preserved human remains from Paleolithic sites, little information exists about the diet.....»»

Category: topSource:  physorgRelated NewsApr 29th, 2024

Genetic hope in fight against devastating wheat disease

Fungal disease Fusarium head blight (FHB) is on the rise due to increasingly humid conditions induced by climate change during the wheat growing season, but a fundamental discovery by University of Adelaide researchers could help reduce its economic.....»»

Category: topSource:  informationweekRelated NewsApr 26th, 2024

New structures offer insight into how a bacterial motor powers bacterial chemotaxis, a key infectious process

Bacteria existed for millennia before humans and have been infecting us from the beginning. Although we can treat infections through pharmaceuticals, bacteria continue to become resistant to treatment thanks to their rapid evolution. Bacterial infect.....»»

Category: topSource:  informationweekRelated NewsApr 26th, 2024

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

Why Llama 3 is changing everything in the world of AI

Llama 3 isn't just the latest version of Meta's AI -- it's a revolution in capabilities and accessibility. Here's why it could be the big AI of the future......»»

Category: topSource:  digitaltrendsRelated 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

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

Social change may explain decline in genetic diversity of the Y chromosome at the end of the Neolithic period

The emergence in the Neolithic of patrilineal social systems, in which children are affiliated with their father's lineage, may explain a spectacular decline in the genetic diversity of the Y chromosome observed worldwide between 3,000 and 5,000 year.....»»

Category: topSource:  physorgRelated NewsApr 24th, 2024

Research combines DNA origami and photolithography to move one step closer to molecular computers

Molecular computer components could represent a new IT revolution and help us create cheaper, faster, smaller, and more powerful computers. Yet researchers struggle to find ways to assemble them more reliably and efficiently......»»

Category: topSource:  physorgRelated NewsApr 24th, 2024

New Relic AI monitoring helps enterprises use AI with confidence

New Relic announced New Relic AI monitoring with a suite of new features to meet the evolving needs of organizations developing AI applications. New features include in-depth AI response tracing insights with real-time user feedback and model compari.....»»

Category: securitySource:  netsecurityRelated NewsApr 24th, 2024

Researchers uncover natural variation in wild emmer wheat for broad-spectrum disease resistance

Bread wheat is one of the most important staple crops for millions of people and is apparently the largest cultivated and traded cereal worldwide. Bread wheat is a hexaploid species with three subgenomes (2n = 6x = 42, AABBDD) that has undergone two.....»»

Category: topSource:  physorgRelated NewsApr 23rd, 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

Green mystery: Plumbian orthoclase reveals hidden resources

Plumbian orthoclase is a bit of a mystery, but this unique Aussie mineral is part of a mining industry revolution. The mineral's glowy green hue feels otherworldly. Although this Aussie kryptonite's origin is terrestrial, it's no less surprising......»»

Category: topSource:  physorgRelated NewsApr 19th, 2024

The war between PC and console is about to heat up again

Nvidia is setting its sights on an unexpected target: Small form factor PCs made for gaming enthusiasts. Are we about to see a console revolution?.....»»

Category: topSource:  digitaltrendsRelated NewsApr 18th, 2024