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Ancient DNA reveals Indigenous dog lineages found at Jamestown, Virginia

Previous scientific studies have indicated that North American dog lineages were replaced with European ones between 1492 and the present day. To better understand the timing of this replacement, researchers from the University of Illinois Urbana-Cha.....»»

Category: topSource:  physorgAug 17th, 2024

Boar’s Head will never make liverwurst again after outbreak that killed 9

The Jarratt, Virginia, plant is now closed indefinitely. Enlarge / A recall notice is posted next to Boar's Head meats that are displayed at a Safeway store on July 31, 2024, in San Rafael, California. (credit: Getty | Justin Sul.....»»

Category: topSource:  arstechnicaRelated NewsSep 16th, 2024

Optogenetic control reveals collective cell behavior

New research led by the Institute for Bioengineering of Catalonia (IBEC) has studied the migratory movement of groups of cells using light control. The results show that there is no leader cell that directs the collective movement, as previously thou.....»»

Category: topSource:  physorgRelated NewsSep 16th, 2024

Restoration in the temple of Edfu reveals new inscriptions, paint, and gold

Egyptian temples were not only colorful, but also gleamed in glistening gold. Columns, gates and obelisks have been covered in gold since the beginning of the Pharaonic Period. Researchers also know from textual sources that some of the buildings wer.....»»

Category: topSource:  physorgRelated NewsSep 16th, 2024

The stone-eaters that threaten Iran"s ancient Persepolis

Conservationists at Persepolis, Iran's most iconic ancient site, are waging a delicate battle against an unlikely adversary: tiny but persistent lichens eroding the millennia-old monuments......»»

Category: topSource:  physorgRelated NewsSep 16th, 2024

Trends and dangers in open-source software dependencies

A C-suite perspective on potential vulnerabilities within open-source dependencies or software packages reveals that, while remediation costs for dependency risks are perilously high, function-level reachability analysis still offers the best value i.....»»

Category: securitySource:  netsecurityRelated NewsSep 16th, 2024

"Ecocide" on Easter Island never took place, studies suggest

Two recent studies have cast doubt on a popular theory that the ancient residents of Easter Island suffered a societal collapse because they overexploited their natural resources, an event often labeled one of history's first "ecocides"......»»

Category: topSource:  physorgRelated NewsSep 15th, 2024

Stephen Hawking Was Wrong—Extremal Black Holes Are Possible

For decades, a black hole that has as much spin or charge as it can given it mass was considered mathematically impossible. A new proof reveals otherwise......»»

Category: gadgetSource:  wiredRelated NewsSep 15th, 2024

Genomics reveals sled dogs" Siberian lineage

New research co-led by Cornell University examines thousands of years of Arctic sled dog ancestry and reveals when and how Siberian and Alaskan sled dogs' DNA mixed......»»

Category: topSource:  physorgRelated NewsSep 15th, 2024

The roles played by Indigenous Peoples in biodiversity conservation

Indigenous Peoples play an indisputable and critical role in the conservation of the planet's biodiversity. Their lands and livelihoods sustain life in myriad forms. However, a study by researchers at the ICTA-UAB published in Nature concludes that t.....»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

Evidence of “snowball Earth” found in ancient rocks

An outcrop in Scotland has material from when the Earth went into a deep freeze. Enlarge / Artist's conception of the state of the Earth during its global glaciations. (credit: NASA) Earth has gone through many geologic.....»»

Category: topSource:  arstechnicaRelated NewsSep 13th, 2024

Study shows plant-derived secondary organic aerosols can act as mediators of plant-plant interactions

A study published in Science reveals that plant-derived secondary organic aerosols (SOAs) can act as mediators of plant-plant interactions. This research was conducted through the cooperation of chemical ecologists, plant ecophysiologists and atmosph.....»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

Research reveals reality of puberty for Ice Age teens from 25,000 years ago

New research shows Ice Age teens from 25,000 years ago went through similar puberty stages as modern-day adolescents. In a study published today in the Journal of Human Evolution of the timing of puberty in Pleistocene teens, researchers are addressi.....»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

New research reveals how El Niño caused the greatest ever mass extinction

Mega ocean warming El Niño events were key in driving the largest extinction of life on planet Earth some 252 million years ago, according to new research......»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Study reveals food waste bans ineffective in reducing landfill waste, except in Massachusetts

Of the first five U.S. states to implement food waste bans, only Massachusetts was successful at diverting waste away from landfills and incinerators, according to a new study from the University of California Rady School of Management......»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Study reveals lower school attendance on Fridays in England

Economists from the University of Bath have found a significantly lower school attendance rates on Fridays across England, with a 20% higher absence rate compared to other weekdays......»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

New fossil fish species scales up evidence of Earth"s evolutionary march

Climate change and asteroids are linked with animal origin and extinction—and plate tectonics also seems to play a key evolutionary role, "groundbreaking" new fossil research reveals......»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Consumers are wary of pesticide residue in fruits and vegetables, five-country study finds

CABI scientists have conducted research which reveals that concerns over pesticide residues on fruits and vegetables is the most frequently cited source of food safety fears among consumers in Bangladesh, Ghana, Kenya, Pakistan and Uganda......»»

Category: topSource:  physorgRelated NewsSep 11th, 2024

Hyperspectral microscopy reveals the nanostructures that give butterflies their colors

Scientists have found a new way to see how butterflies develop their colors......»»

Category: topSource:  pcmagRelated NewsSep 11th, 2024

Long stems on flowers are an adaptation that encourages bat pollination, research suggests

Flowers that are pollinated by bats tend to have long stems that make them stand out from the surrounding foliage. New research published in New Phytologist reveals the evolutionary advantage that this characteristic provides to plants to ensure that.....»»

Category: topSource:  theglobeandmailRelated NewsSep 11th, 2024

Ancient DNA from Rapa Nui (Easter Island) refutes best-selling population collapse theory

Rapa Nui or Te Pito o Te Henua (the navel of the world), also known as Easter Island, is one of the most isolated inhabited places in the world. Located in the Pacific, it lies over 1,900 km east of the closest inhabited Polynesian island and 3,700 k.....»»

Category: topSource:  theglobeandmailRelated NewsSep 11th, 2024