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Volcanic blast likely killed and preserved juvenile fossil plesiosaur found in Antarctica
12-11-2006 · EurekAlert!Amid 70-mile-an-hour winds and freezing Antarctic conditions, an American-Argentine research team has recovered the well-preserved fossil skeleton of a juvenile plesiosaur -- a marine reptile that swam the waters of the Southern ocean roughly 70 million years ago.
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Keywords: volcanic, blast, likely, killed, preserved, juvenile, fossil, plesiosaur, antarctica
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- Fossil DNA illuminates life
07-05-2007 · EurekAlert!
Ancient Greenland was green. New Danish research has shown that it was covered in conifer forest and, like southern Sweden today, had a relatively mild climate. Eske Willerslev, a professor at Copenhagen University, has analysed the world's oldest DNA, preserved under the kilometre-thick icecap. The DNA is likely close to half a million years old, and the research is painting a picture which is overturning all previous assumptions about biological life and the climate in Greenland.
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- December Geology and GSA Today media highlights
12-01-2006 · EurekAlert!
Topics include: impact of melting glaciers on near-shore ecosystems; discovery of intact egg clusters from a Middle Cambrian oceanic invertebrate; biotic recovery from the End-Permian mass extinction; fossil evidence of unusual animal foraging behavior; dating the destruction of Herod the Great's harbor at Caesarea; El Niсo-related landslides along the Big Sur coastline, and evidence of flowing water at Mars' Erebus crater. The GSA Today science article describes dynamics of ice sheet recession in East Antarctica.
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- Extraterrestrial impact likely source of sudden Ice Age extinctions
09-24-2007 · EurekAlert!
What killed the wooly mammoths? An international team of scientists, including Peter Schultz of Brown University, suggests that a comet or meteorite exploded over the planet roughly 12,900 years ago, causing the abrupt climate changes that led to the extinction of the wooly mammoth and other giant prehistoric beasts. Their theory is published in the Proceedings of the National Academy of Sciences.
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- How long is a child a child?
03-13-2007 · EurekAlert!
An international research team led by scientists from the Max Planck Institute for Evolutionary Anthropology (Leipzig, Germany) and the European Synchrotron Radiation Facility (Grenoble, France) has found evidence that some of the earliest members of our species had evolved our characteristically long developmental period, and most likely our extended childhood, over 160,000 years ago. These findings are in contrast to studies that suggest that early fossil hominins possessed short growth periods, which were more similar to chimpanzees than to living humans.
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- More than a meteor likely killed dinosaurs 65 million years ago
10-26-2006 · EurekAlert!
Growing evidence shows that the dinosaurs and their contemporaries were not wiped out by the famed Chicxulub meteor impact alone, according to a paleontologist who says multiple meteor impacts, massive volcanism in India and climate changes culminated in the end of the Cretaceous Period.
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- Rover Spirit finds evidence of pyroclastic activity on Mars
05-09-2007 · EurekAlert!
A plateau on Mars known as Home Plate was likely the site of explosive volcanic activity, say scientists. And data collected by the rover Spirit also offers further evidence that water was once present at or beneath the planet's surface.
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- Emory paleontologist reports discovery of carnivorous dinosaur tracks in Australia
10-19-2007 · EurekAlert!
The first fossil tracks belonging to large, carnivorous dinosaurs have been discovered in Victoria, Australia, by paleontologists from Emory University, Monash University and the Museum of Victoria (both in Melbourne). The tracks are especially significant for showing that large dinosaurs were living in a polar environment during the Cretaceous Period, when Australia was still joined to Antarctica and close to the South Pole.
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- Fossil mystery solved?
10-13-2007 · Science News Online
Experiments in a Florida swamp show how aquatic creatures can get trapped and preserved in amber, a form of hardened tree sap.
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- Dinosaur deaths outsourced to India?
10-30-2007 · EurekAlert!
A series of monumental volcanic eruptions in India may have killed the dinosaurs 65 million years ago, not a meteor impact in the Gulf of Mexico. The eruptions, which created the gigantic Deccan Traps lava beds of India, are now the prime suspect in the most famous and persistent paleontological murder mystery, say scientists who have conducted a slew of new investigations honing down eruption timing.
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- Scientists find lamprey a 'living fossil'
10-25-2006 · EurekAlert!
Scientists from the University of Witwatersrand in Johannesburg, South Africa, and the University of Chicago have uncovered a remarkably well-preserved fossil lamprey from the Devonian period that reveals today's lampreys as "living fossils" since they have remained largely unaltered for 360 million years. The scientists describe the new find in the article, "A lamprey from the Devonian of South Africa," to be published in the Oct. 26, 2006, issue of Nature.
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