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News About The Primordial Earth
May 27, 2015
Ancient connection between the Americas enhanced extreme biodiversity
Gothenburg, Sweden (SPX) May 22, 2015
The exchange of species between North and South America created one of the most biologically diverse regions on Earth. A new study shows that this interchange began millions of years earlier than previously assumed. The Isthmus of Panama, which links North and South America, plays a crucial role in the planet's atmospheric and oceanic circulation, climate, and biodiversity. Despite its importance across multiple disciplines, the timing of formation and emergence of the Isthmus and the effect it ha ... read more

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Retracing the bird's beak to its dinosaur origins, in the laboratory
Scientists have successfully replicated the molecular processes that led from dinosaur snouts to the first bird beaks. Using the fossil record as a guide, a research team led by Yale paleontologist ... more
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Dinosaur's keen nose made it a formidable predator
A researcher from the University of Pennsylvania has identified a species of dinosaur closely related to Velociraptor, the group of creatures made infamous by the movie "Jurassic Park." The newly na ... more
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Researchers discover missing link in the evolution of complex cells
In a new study, published in Nature this week, a research team led from Uppsala University in Sweden presents the discovery of a new microbe that represents a missing link in the evolution of comple ... more
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Ancient fossilized brains highlight origins of the modern head
A pair of ancient fossilized brains have shed new light on the evolutionary transition from soft to hard bodies among the predecessors of modern arthropods, the group of creatures that includes insects, arachnids and crustaceans. ... more
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Ancient connection between the Americas enhanced extreme biodiversity
Species exchange between North and South America created one of the most biologically diverse regions on Earth. A new study by Smithsonian scientists and colleagues published this week in the Procee ... more
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Bizarre 'platypus' dinosaur discovered
Although closely related to the notorious carnivore Tyrannosaurus rex, a new lineage of dinosaur discovered in Chile is proving to be an evolutionary jigsaw puzzle, as it preferred to graze upon pla ... more
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Humans' ancestors had tentacles
The famous Vitruvian Man, which was drawn by Leonardo da Vinci, pictures the canon of human's proportions. However, humans have become bilaterally symmetric not at once. There are two main points of ... more
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Stegosaurus plates may have differed between male, female
Stegosaurs plates may have differed between males and females, according to a study published April 22, 2015 in the open-access journal PLOS ONE by Evan Saitta from University of Bristol, UK. ... more
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Capitanian extinction added to list of major extinctions
Since the Cambrian Explosion, ecosystems have suffered repeated mass extinctions, with the "Big 5" crises being the most prominent. Twenty years ago, a sixth major extinction was recognized in ... more
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A new beginning for baby mosasaurs
They weren't in the delivery room, but researchers at Yale University and the University of Toronto have discovered a new birth story for a gigantic marine lizard that once roamed the oceans. ... more
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Exceptional fossil gives voice to ancient terror bird
A new species of South American fossil terror bird called Llallawavis scagliai ("Scaglia's Magnificent Bird") is shedding light on the diversity of the group and how these giant extinct predators in ... more
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New evidence for combat and cannibalism in tyrannosaurs
A new study documents injuries inflicted in life and death to a large tyrannosaurine dinosaur. The paper shows that the skull of a genus of tyrannosaur called Daspletosaurus suffered numerous injuri ... more
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Greatest mass extinction driven by acidic oceans, study finds
Changes to the Earth's oceans, caused by extreme volcanic activity, triggered the greatest extinction of all time, a study suggests. The event, which took place 252 million years ago, wiped ou ... more
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New study hints at spontaneous appearance of primordial DNA
The self-organization properties of DNA-like molecular fragments four billion years ago may have guided their own growth into repeating chemical chains long enough to act as a basis for primitive li ... more
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Oxygen-depleted oceans had key role in mass extinction over 200M years ago
Changes in the biochemical balance of the ocean were a crucial factor in the end-Triassic mass extinction, during which half of all plant, animal and marine life on Earth perished, according to new ... more
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Carbon was critical to ocean life's survival 252 million years ago
A new study led by scientists with The University of Texas at Arlington demonstrates for the first time how elemental carbon became an important construction material of some forms of ocean life aft ... more
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Brontosaurus is back!
Although well known as one of the most iconic dinosaurs, Brontosaurus (the 'thunder lizard') has long been considered misclassified. Since 1903, the scientific community has believed that the genus ... more
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Ancient seashell coloration patterns revealed using ultraviolet light
Nearly 30 ancient seashell species coloration patterns were revealed using ultraviolet (UV) light, according to a study published April 1, 2015 in the open-access journal PLOS ONE by Jonathan Hendri ... more
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Discovering missing body parts of ancient fossils
Certain specimens of the fossil Dickinsonia are incomplete because ancient currents lifted them from the sea floor, a team of researchers led by paleontologists at the University of California, Rive ... more
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Discovery of 2 new species of primitive fishes
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Wandering Jupiter accounts for our unusual solar system
Jupiter may have swept through the early solar system like a wrecking ball, destroying a first generation of inner planets before retreating into its current orbit, according to a new study publishe ... more
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Fierce 'Superflares' from the Sun Zapped an Infant Earth
Our young sun may have routinely blasted Earth with gobs of energy more powerful than any similar bombardments recorded in human history. Huge bursts of these particle and radiation "showers" ... more
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Crocodile ancestor was top predator before dinosaurs
A newly discovered crocodilian ancestor may have filled one of North America's top predator roles before dinosaurs arrived on the continent. Carnufex carolinensis, or the "Carolina Butcher," was a 9 ... more
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Iron rain fell on early Earth, new Z machine data supports
Researchers at Sandia National Laboratories' Z machine have helped untangle a long-standing mystery of astrophysics: why iron is found spattered throughout Earth's mantle, the roughly 2,000-mile thi ... more
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