Current Fossil record News and Events

Current Fossil record News and Events, Fossil record News Articles.
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First exhaustive review of fossils recovered from Iberian archaeological sites
The Iberian Peninsula has one of the richest paleontological records in Western Europe. However,''there were generally only scarce indications of the collection and use of fossils at Iberian sites during Prehistory, and thus the documentation of this behaviour presented an anomalous situation compared to other regions of Europe, where numerous studies have been published on this practice. (2020-11-24)

Ireland's only dinosaurs discovered in antrim
The only dinosaur bones ever found on the island of Ireland have been formally confirmed for the first time by a team of experts from the University of Portsmouth and Queen's University Belfast, led by Dr Mike Simms, a curator and palaeontologist at National Museums NI. (2020-11-24)

T. rex had huge growth spurts, but other dinos grew "slow and steady"
By cutting into dinosaur bones and analyzing the growth lines, a team of researchers discovered that T. rex and its closest relatives got big thanks to a huge growth spurt in adolescence, while its more distant cousins kept on growing a little bit every year throughout their lives. (2020-11-24)

Teton range glacial ice may have persisted in a dormant state during early Holocene warming
A continuous 10,000-year record of alpine glacier fluctuations in Wyoming's Teton Range suggests that some glacial ice in the western US persisted in a reduced, essentially dormant state during periods of early Holocene warming. The findings challenge the paradigm that all Rocky Mountain glaciers completely disappeared during these warm, dry conditions, instead. (2020-11-18)

Reducing aerosol pollution without cutting carbon dioxide could make the planet hotter
Humans must reduce carbon dioxide and aerosol pollution simultaneously to avoid weakening the ocean's ability to keep the planet cool, new UC Riverside research shows. (2020-11-17)

New analysis refutes claim that dinosaurs were in decline before asteroid hit
New research suggests that dinosaurs were not in decline before the asteroid hit. The study contradicts previous theories and concludes that had the impact not occurred dinosaurs might have continued to be the dominant group of land animals. (2020-11-17)

Paleontologists uncover three new species of extinct walruses in Orange County
Millions of years ago, in the warm Pacific Ocean off the coast of Southern California, walrus species without tusks lived abundantly. But in a new study, Cal State Fullerton paleontologists have identified three new walrus species discovered in Orange County and one of the new species has ''semi-tusks'' -- or longer teeth. (2020-11-16)

Fossil shark turns in to mystery pterosaur
Lead author of the project, University of Portsmouth PhD student Roy Smith, discovered the mystery creature amongst fossil collections housed in the Sedgwick Museum of Cambridge and the Booth Museum at Brighton that were assembled when phosphate mining was at its peak in the English Fens between 1851 and 1900. These fossils found while workmen were digging phosphate nodules were frequently sold to earn a little bit of extra money. (2020-11-10)

New fossil seal species rewrites history
An international team of biologists, led by Monash University, has discovered a new species of extinct monk seal from the Southern Hemisphere -- describing it as the biggest breakthrough in seal evolution in 70 years. (2020-11-10)

Newly discovered fossil shows small-scale evolutionary changes in an extinct human species
Males of the extinct human species Paranthropus robustus were thought to be substantially larger than females -- much like the size differences seen in modern-day primates such as gorillas, orangutans and baboons. But a new fossil discovery in South Africa instead suggests that P. robustus evolved rapidly during a turbulent period of local climate change about 2 million years ago, resulting in anatomical changes that previously were attributed to sex. (2020-11-09)

New black hole merger simulations could help power next-gen gravitational wave detectors
Rochester Institute of Technology scientists have developed new simulations of black holes with widely varying masses merging that could help power the next generation of gravitational wave detectors. RIT Professor Carlos Lousto and Research Associate James Healy from RIT's School of Mathematical Sciences outline these record-breaking simulations in a new Physical Review Letters paper. (2020-11-09)

Decrease in fossil-fuel CO2 emissions due to COVID-19 detected by atmospheric observations
Atmospheric observations at Hateruma Island, Japan, successfully detected the decrease in fossil-fuel CO2 emissions in China associated with the COVID-19 outbreak. The weather in Hateruma island is frequently influenced by the northwest monsoon travelling over China, which carries the emission signals of air pollutants. The observed ratios of CO2 and CH4 variabilities showed a significant decrease during February-March 2020, corresponding to about a 30% decrease in China's fossil-fuel CO2 emissions, according to a chemistry-transport model simulation. (2020-11-06)

Earliest example of a rapid-fire tongue found in 'weird and wonderful' extinct amphibians
Fossils of bizarre, armored amphibians known as albanerpetontids provide the oldest evidence of a slingshot-style tongue, a new Science study shows. (2020-11-05)

Global food system emissions threaten achievement of climate change targets
Even if greenhouse gas emissions from fossil fuel use in the global food system were immediately halted, the remaining greenhouse gasses otherwise produced from global food production would make meeting the Paris Agreement's target of limiting temperature increases to 1.5° Celsius (C) above preindustrial levels very difficult, a new study reports. (2020-11-05)

A species identified in 2016 as an ancient form of chameleon was misidentified at that time, say researchers
A species identified in 2016 as an ancient form of chameleon was misidentified at that time, say researchers, many of whom were part of the original 2016 report. (2020-11-05)

Past is key to predicting future climate, scientists say
In a review paper published in the journal Science, a group of climate experts make the case for including paleoclimate data in the development of climate models. Such models are used globally to assess the impacts of human-caused greenhouse gas emissions, predict scenarios for future climate and propose strategies for mitigation. (2020-11-05)

Reducing global food system emissions key to meeting climate goals
Reducing fossil fuel use is essential to stopping climate change, but that goal will remain out of reach unless global agriculture and eating habits are also transformed. (2020-11-05)

Keeping our cool
Fossil fuel burning accounts for the majority of global greenhouse gas emissions, and to the world's credit, several countries are working to reduce their use and the heat-trapping emissions that ensue. The goal is to keep global temperatures under a 1.5° to 2°C increase above preindustrial levels -- the upper limits of the Paris Climate Agreement. (2020-11-05)

A 520-million-year-old five-eyed fossil reveals arthropod origin
Researchers from the Nanjing Institute of Geology and Palaeontology of the Chinese Academy of Sciences (NIGPAS) have discovered a shrimp-like fossil with five eyes, which has provided important insights into the early evolutionary history of arthropods. (2020-11-04)

Seabirds' response to abrupt climate change transformed sub-Antarctic island ecosystems
A 14,000-year paleoecological reconstruction of the sub-Antarctic islands done by an international research team including HKU has found that seabird establishment occurred during a period of regional cooling 5,000 years ago. Their populations, in turn, shifted the Falkland Island ecosystem through the deposit of high concentrations of guano that helped nourish tussac, produce peat and increase the incidence of fire. The findings were recently published in the journal Science Advances. (2020-11-04)

How to fix the movement for fossil fuel divestment
Bankers and environmentalists alike are increasingly calling for capital markets to play a bigger role in the war on carbon. In the absence of a meaningful global price on carbon, however, capital continues to flow freely toward fossil fuels and other carbon-intensive industries. The movement for fossil fuel divestment has been trying since 2012 to reverse this trend. (2020-11-03)

New species of ancient cynodont, 220 million years old, discovered
''This discovery sheds light on the geography and environment during the early evolution of mammals,'' Kligman said. (2020-11-03)

New study finds earliest evidence for mammal social behavior
A new study led by paleontologists at the University of Washington indicates that the earliest evidence of mammal social behavior goes back to the Age of Dinosaurs. The multituberculate Filikomys primaevus engaged in multi-generational, group-nesting and burrowing behavior, and possibly lived in colonies, some 75.5 million years ago. (2020-11-02)

Lizard skull fossil is new and 'perplexing' extinct species
A new species of extinct lizard, Kopidosaurus perplexus, has been described by a graduate student at The University of Texas at Austin. The first part of the name references the lizard's distinct teeth; a 'kopis' is a curved blade used in ancient Greece. But the second part is a nod to the 'perplexing' matter of just where the extinct lizard should be placed on the tree of life. (2020-11-02)

Denisovan DNA found in sediments of Baishiya Karst Cave on Tibetan Plateau
A joint research team from China, Germany and Australia has now reported their findings of Denisovan DNA from sediments of the Baishiya Karst Cave (BKC) on the Tibetan Plateau where the Xiahe mandible was found. (2020-10-30)

New Denisovan DNA expands diversity, history of species
Ancient Denisovan mitochondrial DNA has been recovered in sediments from Baishiya Karst Cave, a limestone cave at the northeast margin of the Tibetan Plateau, 3280 meters above sea level and adds more evidence to the record that Denisovans, a group of extinct hominins that diverged from Neanderthals about 400,000 years ago, may have more widely inhabited northeast central Asia. (2020-10-29)

Cracking the secrets of dinosaur eggshells
Since the famous discovery of dinosaur eggs in the Gobi Desert in the early 1920s, the fossilized remains have captured the imaginations of paleontologists and the public, alike. Although dinosaur eggs have now been found on every continent, it's not always clear to scientists which species laid them. Now, researchers reporting in ACS Omega have narrowed down the list for an unknown eggshell from Mexico by comparing its microstructure and composition with four known samples. (2020-10-28)

Seafood extinction risk: Marine bivalves in peril?
Marine bivalves are an important component of our global fishery, with over 500 species harvested for food and other uses. Our understanding of their potential vulnerability to extinction lags behind evaluation of freshwater bivalves or marine vertebrates, and so Shan Huang and colleagues, in analyses presented at the annual meeting of the Geological Society of America, used insights and data from the fossil record to assess extinction risk in this economically and ecologically important group. (2020-10-28)

Antarctica yields oldest fossils of giant birds with 21-foot wingspans
Some of the largest birds in history, called pelagornithids, arose a few million years after the mass extinction that killed off the dinosaurs and patrolled the oceans with giant wingspans for some 60 million years. A team of paleontologists has found two fossils -- each from individual pelagornithids with wingspans of 20 feet or more -- that show this gigantism arose at least 50 million years ago and lasted at least 10 million years. (2020-10-27)

Modern computational tools may open a new era for fossil pollen research
By integrating machine-learning technology with high-resolution imaging, scientists are improving the taxonomic resolution of fossil pollen identifications and greatly enhancing the use of pollen data in ecological and evolutionary research. (2020-10-26)

Seabird response to abrupt climate change 5,000 years ago transformed Falklands ecosystems
A 14,000-year paleoecological reconstruction of the sub-Antarctic islands led by University of Maine researchers has found that seabird establishment occurred during a period of regional cooling 5,000 years ago. Their populations, in turn, shifted the Falkland Islands ecosystems through the deposit of high concentrations of guano that helped nourish tussac, produce peat and increase the incidence of fire. (2020-10-23)

Super-resolution microscopy and machine learning shed new light on fossil pollen grains
Plant biology researchers at the University of Illinois and computer scientists at the University of California Irvine have developed a new method of fossil pollen identification through the combination of super-resolution microscopy and machine learning. The team developed and trained three convolutional neural network models to identify fossil pollen specimens from an unknown group of legumes. (2020-10-23)

Paper recycling must be powered by renewables to save climate
The study, published in Nature Sustainability, found that greenhouse gas emissions would increase by 2050 if we recycled more paper, as current methods rely on fossil fuels and electricity from the grid. (2020-10-19)

How a greenhouse catastrophe killed nearly all life
252 million years ago at the boundary between the Permian and Triassic epochs, Earth witnessed a mass extinction event that extinguished about three-quarters of all species on land and some 95 percent of all species in the ocean. Volcanic activity in today's Siberia has long been debated as a likely trigger of this event. Now, an international team of researchers provides for the first time a conclusive reconstruction of the key events that led to the mega-catastrophe. (2020-10-19)

Unprecedented energy use since 1950 has transformed humanity's geologic footprint
A new study makes clear the extraordinary speed and scale of increases in energy use, economic productivity and global population that have pushed the Earth towards a new geological epoch, known as the Anthropocene. (2020-10-16)

Deep-sea corals reveal secrets of rapid carbon dioxide increase as the last ice age ended
The Southern Ocean played a critical role in the rapid atmospheric carbon dioxide increase during the last deglaciation that took place 20,000 to 10,000 years ago, an international team of researchers report in Science Advances. The chemical signatures of nitrogen and carbon in the coral fossils revealed that ocean carbon sequestration decreased as phytoplankton failed to devour macronutrients supplied by upwelling currents in the Southern Ocean and trap carbon dioxide in the deep ocean. (2020-10-16)

Deep sea coral time machines reveal ancient CO2 burps
The fossilised remains of ancient deep-sea corals may act as time machines providing new insights into the effect the ocean has on rising CO2 levels, according to new research carried out by the Universities of Bristol, St Andrews and Nanjing and published today [16 October 2020] in Science Advances. (2020-10-16)

Was Hong Kong once a coral reef paradise?
Researchers from The University of Hong Kong's School of Biological Sciences and The Swire Institute of Marine Science, have for the first time investigated the historical presence of coral communities in the Greater Bay Area, revealing a catastrophic range collapse and loss of diversity that occurred in the last several decades. (2020-10-15)

What was responsible for the hottest spring in eastern China in 2018?
Quantitative estimates of the probability ratio show that anthropogenic forcing may have increased the chance of this event by ten-fold, while the anomalous circulation increased it by approximately two-fold. (2020-10-15)

Artificial cyanobacterial biofilm can sustain green ethylene production for over a month
Ethylene is one of the most important and widely used organic chemicals. The research group at the University of Turku led by Associate Professor Yagut Allahverdiyeva-Rinne has designed a thin-layer artificial biofilm with embedded cyanobacterial cell factories which were specifically engineered for photosynthetic production of ''green'' ethylene. The fabricated biofilms have sustained ethylene production for up to 40 days. (2020-10-15)

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