Current Ancient News and Events

Current Ancient News and Events, Ancient News Articles.
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Genomic insights into the origin of pre-historic populations in East Asia
East Asia today harbours more than a fifth of the world's population and some of the most deeply branching modern human lineages outside of Africa. However, its genetic diversity and deep population history remain poorly understood relative to many other parts of the world. In a new study, a team of international researchers analyzes genome-wide data for 166 ancient individuals spanning 8,000 years and 46 present-day groups, and provides insights into the formation of East Asian populations. (2021-02-22)

First DNA extracted from modern, ancient and fossil tropical shells
The next time you eat seafood, think about the long-term effects. Will consistently eating the biggest fish or the biggest conch, mean that only the smaller individuals will have a chance to reproduce? (2021-02-22)

Life of a pure Martian design
Experimental microbially assisted chemolithotrophy provides an opportunity to trace the putative bioalteration processes of the Martian crust. A study on the Noachian Martian breccia Northwest Africa (NWA) 7034 composed of ancient crustal materials from Mars, led by ERC grantee Tetyana Milojevic from the Faculty of Chemistry of the University of Vienna, now delivered a unique prototype of microbial life experimentally designed on a real Martian material. (2021-02-19)

Magnetic reversal 42,000 years ago triggered global environmental change
Nearly 42,000 years ago, when Earth's magnetic fields reversed, this triggered major environmental changes, extinction events, and long-term changes in human behavior, a new study reports. (2021-02-18)

Changing livestock in ancient Europe reflect political shifts
In ancient European settlements, livestock use was likely primarily determined by political structure and market demands, according to a study published February 17, 2021 in the open-access journal PLOS ONE by Ariadna Nieto-Espinet and colleagues of the Consejo Superior de Investigaciones Científicas, Barcelona. (2021-02-17)

HKU planetary scientists discover evidence for a reduced atmosphere on ancient Mars
The transition from a reduced planet to an oxidized planet is referred to as the Great Oxidation Event or GOE. This transition was a central part of our planet's evolution, and fundamentally linked to the evolution of life here -- specifically to the prevalence of photosynthesis that produced oxygen. Planetary geologists at HKU have discovered that Mars underwent a great oxygenation event of its own -- billions of years ago, the red planet was not so red. (2021-02-16)

How rocks rusted on Earth and turned red
How did rocks rust on Earth and turn red? A Rutgers-led study has shed new light on the important phenomenon and will help address questions about the Late Triassic climate more than 200 million years ago, when greenhouse gas levels were high enough to be a model for what our planet may be like in the future. (2021-02-08)

Nehandertals' gut microbiota and the bacteria helping our health
Through the study of ancient DNA from 50,000-year-old Neanderthal faecal sediments, an international research group isolated a group of micro-organisms whose characteristics are similar to those of modern Sapiens: such findings can be instrumental to the protection of our gut microbiota (2021-02-05)

Genes for face shape identified
Genes that determine the shape of a person's facial profile have been discovered by a UCL-led research team. (2021-02-05)

How elephants evolved to become big and cancer-resistant
In this new study, 'We explored how elephants and their living and extinct relatives evolved to be cancer-resistant,' says University at Buffalo biologist Vincent Lynch. He adds, regarding the findings, 'Elephants have lots and lots and lots of extra copies of tumor suppressor genes, and they all contribute probably a little bit to cancer resistance.' (2021-02-04)

Astronomers detect extended dark matter halo around ancient dwarf galaxy
Findings suggest the first galaxies in the universe were more massive than previously thought. (2021-02-01)

Ancient proteins help track early milk drinking in Africa
Got milk? The 1990s ad campaign highlighted the importance of milk for health and wellbeing, but when did we start drinking the milk of other animals? And how did the practice spread? A new study led by scientists from Germany and Kenya highlights the critical role of Africa in the story of dairying, showing that communities there were drinking milk by at least 6,000 years ago. (2021-01-27)

'Virtual anatomy' imaging yields new insight into ancient platypus fish
The inner ear of a 400 million-year-old 'platypus fish' has yielded new insights into early vertebrate evolution, suggesting this ancient creature may be more closely related to modern-day sharks and bony fish than previously thought. (2021-01-27)

Newly discovered fossil named after U of A paleontologist
A newly discovered trace fossil of an ancient burrow has been named after University of Alberta paleontologist Murray Gingras. The fossil, discovered by a former graduate student, has an important role to play in gauging how salty ancient bodies of water were, putting together a clearer picture of our planet's past. (2021-01-26)

Climate change in antiquity: mass emigration due to water scarcity
The absence of monsoon rains at the source of the Nile was the cause of migrations and the demise of entire settlements in the late Roman province of Egypt. This demographic development has been compared with environmental data for the first time by professor of ancient history, Sabine Huebner of the University of Basel - leading to a discovery of climate change and its consequences. (2021-01-25)

Palaeontology: Fossil burrows point to ancient seafloor colonization by giant marine worms
Giant ambush-predator worms, possible ancestors of the 'bobbit worm', may have colonized the seafloor of the Eurasian continent around 20 million years ago. The findings, based on the reconstruction of large, L-shaped burrows from layers of seafloor dating back to the Miocene (23 million to 5.3 million years ago) of northeast Taiwan, are reported in Scientific Reports this week. (2021-01-21)

Giant sand worm discovery proves truth is stranger than fiction
Simon Fraser University researchers have found evidence that large ambush-predatory worms--some as long as two metres--roamed the ocean floor near Taiwan over 20 million years ago. (2021-01-21)

On the origins of money: Ancient European hoards full of standardized bronze objects
In the Early Bronze Age of Europe, ancient people used bronze objects as an early form of money, even going so far as to standardize the shape and weight of their currency, according to a study published January 20, 2020 in the open-access journal PLOS ONE by Maikel H. G. Kuijpers and C?t?lin N. Popa of Leiden University, Netherlands. (2021-01-20)

Rocks show Mars once felt like Iceland
A comparison of chemical and climate weathering of sedimentary rock in Mars' Gale Crater indicate the region's mean temperature billions of years ago was akin to current conditions on Iceland. (2021-01-20)

Using ancient fossils and gravitational-wave science to predict earth's future
New research on predicting the earth's future climate: Using gravitational-wave science, a group of international scientists, including Australian OzGrav astrophysicist Ilya Mandel, studied ancient marine fossils as a predictor of climate change. (2021-01-19)

A new archaeology for the Anthropocene era
Scantily clad tomb raiders and cloistered scholars piecing together old pots - these are the kinds of stereotypes of archaeology that dominate public perception. Yet archaeology in the new millennium is a world away from these images. In a major new report, researchers from the Max Planck Institute for the Science of Human History probe a thoroughly modern and scientific discipline to understand how it is helping to address the considerable challenges of the Anthropocene. (2021-01-18)

WSU scientists identify contents of ancient Maya drug containers
Scientists have identified the presence of a non-tobacco plant in ancient Maya drug containers for the first time. The researchers detected Mexican marigold (Tagetes lucida) in residues taken from 14 miniature Maya ceramic vessels. The vessels also contain chemical traces present in two types of dried and cured tobacco. (2021-01-15)

Simulating evolution to understand a hidden switch
Some organisms evolve an internal switch that can remain hidden for generations until stress flicks it on. (2021-01-15)

Accounting for the gaps in ancient food webs
Studying ancient food webs can help scientists reconstruct communities of species, many long extinct, and even use those insights to figure out how modern-day communities might change in the future. There's just one problem: only some species left enough of a trace for scientists to find eons later, leaving large gaps in the fossil record -- and researchers' ability to piece together the food webs from the past. (2021-01-14)

Ancient DNA reveals secrets of Game of Thrones wolves
Extinct dire wolves split off from other wolves nearly six million years ago and were only a distant relative of today's wolves, according to new research published in Nature. (2021-01-13)

Wetland methane cycling increased during ancient global warming event
Wetland methane cycling increased during a rapid global warming event 56 million years ago and could foreshadow changes the methane cycle will experience in the future, according to new research led by the University of Bristol. (2021-01-13)

New study of Earth's crust shows global growth spurt three billion years ago
Curtin University researchers have used ancient crystals from eroded rocks found in stream sediments in Greenland to successfully test the theory that portions of Earth's ancient crust acted as 'seeds' from which later generations of crust grew. (2021-01-12)

Modern microbes provide window into ancient ocean
Roughly two billion years ago, microorganisms called cyanobacteria fundamentally transformed the globe. Researchers are now stepping back to that pivotal moment in Earth's history. (2021-01-06)

St Petersburg University scientists discover an ancient island arc in the Kyrgyz Tien Shan
Researchers at St Petersburg University, as part of an international team, have discovered in the Tien Shan mountains a specific complex of rocks that formed in the Cambrian ocean about 500 million years ago. The age of the rock assemblage was established thanks to adakites - a group of acid volcanic rocks, described from one of the islands in the Aleutian arc. (2020-12-31)

Ancient DNA sheds light on the peopling of the Mariana Islands
Compared to the first peopling of Polynesia, the settlement of the Mariana Islands in the Western Pacific, which happened around 3,500 years ago, has received little attention. Researchers from the Max Planck Institute for Evolutionary Anthropology, the Australian National University and the University of Guam have now obtained answers to long debated questions regarding the origin of the first colonizers of the Marianas and their relationship to the people who initially settled in Polynesia. (2020-12-22)

Study resolves the position of fleas on the tree of life
A study of more than 1,400 protein-coding genes of fleas has resolved one of the longest standing mysteries in the evolution of insects, reordering their placement in the tree of life and pinpointing who their closest relatives are. (2020-12-20)

Genetic exchange discovered in anciently asexual rotifers
Skoltech's evolutionary biologists discovered recombination in bdelloid rotifers, microscopic freshwater invertebrates, which have long been regarded as 'an evolutionary scandal' due to their presumed ancient asexuality. The existence of such anciently asexual groups calls into question the hypothesis that sexual reproduction is indispensable for long-term evolutionary success of species. However, the recent study published in Nature Communications provides evidence of recombination and genetic exchange in bdelloids. (2020-12-18)

A non-destructive method for analyzing Ancient Egyptian embalming materials
Ancient Egyptian mummies have many tales to tell, but unlocking their secrets without destroying delicate remains is challenging. Now, researchers reporting in ACS' Analytical Chemistry have found a non-destructive way to analyze bitumen -- the compound that gives mummies their dark color -- in Ancient Egyptian embalming materials. The method provides clues to the bitumen's geographic origin and, in one experiment, revealed that a mummy in a French museum could have been partially restored, likely by collectors. (2020-12-16)

Kernels of history
Earlier this year Douglas J. Kennett, a UC Santa Barbara professor of anthropology, demonstrated that maize, or corn, became a staple crop in the Americas 4,700 years ago. It turns out he was just beginning to tell the story of the world's biggest grain crop. (2020-12-15)

Fatty residues on ancient pottery reveal meat-heavy diets of Indus Civilization
New lipid residue analyses have revealed a dominance of animal products, such as the meat of animals like pigs, cattle, buffalo, sheep and goat as well as dairy products, used in ancient ceramic vessels from rural and urban settlements of the Indus Civilisation in north-west India, the present-day states of Haryana and Uttar Pradesh. (2020-12-09)

New study helps pinpoint when earth's plate subduction began
According to findings published Dec. 9 in the journal Science Advances, plate subduction could have started 3.75 billion years ago, reshaping Earth's surface and setting the stage for a planet hospitable to life. (2020-12-09)

Newly discovered fossils prove 'Shangri-La'-like ecosystem in central Tibet
During the Second Tibetan Plateau Scientific Expedition in Tibet, an international research team from the Xishuangbanna Tropical Botanical Garden (XTBG) and the Institute of Vertebrate Paleontology and Paleoanthropology discovered a highly diverse fossil assemblage from the current elevation of ?4,850 m in the Bangor Basin in central Tibet. (2020-12-07)

Ancient migration was choice, not chance
The degree of intentionality behind ancient ocean migrations, such as that to the Ryukyu Islands between Taiwan and mainland Japan, has been widely debated. Researchers used satellite-tracked buoys to simulate ancient wayward drifters and found that the vast majority failed to make the contested crossing. They concluded that Paleolithic people 35,000-30,000 years ago must therefore have made the journey not by chance but by choice. (2020-12-03)

Cereal, olive and vine pollen reveal market integration in Ancient Greece
By analyzing sediment cores taken from six sites in southern Greece, an international team of researchers identified trends in cereal, olive, and vine pollen indicating structural changes in agricultural production between 1000 BCE and 600 CE. In a study published The Economic Journal, the researchers combine varying fields of scientific research to provide evidence for a market economy in ancient Greece characterized by integrated agricultural production and a major expansion of trade (2020-11-27)

Study reveals true origin of oldest evidence of animals
Two teams of scientists have resolved a longstanding controversy surrounding the origins of complex life on Earth. The joint studies found molecular fossils extracted from 635-million-year-old rocks aren't the earliest evidence of animals, but instead common algae. (2020-11-23)

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