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| Paleontology & Archeology |
Geologist analyzes earliest shell-covered fossil animals
The fossil remains of some of the first animals with shells, ocean-dwelling creatures that measure a few centimeters in length and date to about 520 million years ago, provide a window on evolution at this time, according to scientists. Their research indicates that these animals were larger than previously thought.
2-million-year-old evidence shows tool-making hominins inhabited grassland environments
In an article published in the open-access, peer-reviewed journal PLoS ONE on October 21, 2009, Dr Thomas Plummer of Queens College at the City University of New York, Dr Richard Potts of the Smithsonian Institution National Museum of Natural History and colleagues report the oldest archeological evidence of early human activities in a grassland environment, dating to 2 million years ago. The article highlights new research and its implications concerning the environments in which human ancestors evolved.
World's oldest submerged town dates back 5,000 years
Archaeologists surveying the world's oldest submerged town have found ceramics dating back to the Final Neolithic. Their discovery suggests that Pavlopetri, off the southern Laconia coast of Greece, was occupied some 5,000 years ago - at least 1,200 years earlier than originally thought.
Why giant sea scorpions got so big
Research on giant sea scorpions (eurypterids) - the largest bugs that ever lived - has shed new light on why eurypterids became so large and eventually died out.
Technology brings new insights to ancient language
New technologies and academic collaborations are helping scholars at the University of Chicago analyze hundreds of ancient documents in Aramaic, one of the Middle East's oldest continuously spoken and written languages.
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New stone circle discovered near Stonehenge
Archaeologists have discovered evidence of a lost stone circle on the west bank of the River Avon, a mile from Stonehenge.
Largest dinosaur footprints ever found discovered near Lyon, France
Footprints from sauropod dinosaurs, giant herbivores with long necks, were found in Plagne, near Lyon, France. Discovered by Marie-Hélène Marcaud and Patrice Landry, two nature enthusiasts, the dinosaur footprints have been authenticated by Jean-Michel Mazin and Pierre Hantzpergue, both of the Paléoenvironnements et Paléobiosphères laboratory (CNRS / Université Claude Bernard Lyon 1). According to the researchers' initial analyses, these dinosaur footprints are the largest found to date.
Inside the first bird, surprising signs of a dinosaur
The raptor-like Archaeopteryx has long been viewed as the archetypal first bird, but new research reveals that it was actually a lot less "bird-like" than scientists had believed.
Last time carbon dioxide levels were this high: 15 million years ago, scientists report
You would have to go back at least 15 million years to find carbon dioxide levels on Earth as high as they are today, a UCLA scientist and colleagues report Oct. 8 in the online edition of the journal Science.
Early hominid first walked on two legs in the woods
Among the many surprises associated with the discovery of the oldest known, nearly complete skeleton of a hominid is the finding that this species took its first steps toward bipedalism not on the open, grassy savanna, as generations of scientists - going back to Charles Darwin - hypothesized, but in a wooded landscape.
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| Quotes | Have you seen a tall, lanky dufus with a bird face and hair like the bride of Frankenstein?-Elaine, describing Kramer
Having major planets disappear is always a bad sign.- Jim Blinn
Great minds have purposes, others have wishes.- Washington Irving
Great spirits often meet violent opposition with mediocre minds - Albert Einstein
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