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Treasure trove of fossils found in Kendall County cave
04-12-2007 · EurekAlert!UIC geologists discovered and excavated fossils from a cave in a Kendall County limestone quarry that has shed new light on living conditions in the area some 310 million years ago. The find includes a fossil of the oldest known conifer in North America.
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Keywords: treasure, trove, fossils, kendall, county, cave, fossil
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- More human-Neandertal mixing evidence uncovered
11-02-2006 · EurekAlert!
A reexamination of ancient human bones from Romania reveals more evidence that humans and Neandertals interbred. Erik Trinkaus, Ph.D., Washington University Mary Tileston Hemenway Professor in Arts & Sciences, and colleagues radiocarbon-dated and analyzed the shapes of human bones from Romania's Petera Muierii (Cave of the Old Woman). The fossils, discovered in 1952, add to the small number of early modern human remains from Europe known to be more than 28,000 years old.
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- Paleontologists discover most primitive primate skeleton
01-23-2007 · EurekAlert!
The earliest branches of primate evolution are more ancient by 10 million years than previous studies estimated, according to an article featured in the Proceedings of the National Academy of Sciences. Researchers reconstructed the base of the primate family tree by comparing skeletal and fossil specimens representing more than 85 modern and extinct species. The team also discovered two 56-million-year-old fossils, including the most primitive primate skeleton ever described.
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- Fossil record reveals elusive jellyfish more than 500 million years old
10-30-2007 · EurekAlert!
Using recently discovered 'fossil snapshots' found in rocks more than 500 million years old, three University of Kansas researchers have described the oldest definitive jellyfish ever found. In a paper published in PLoS ONE on Oct. 31, the researchers describe four types of cnidarian fossils preserving traits that allow them to be related to modern orders and families of jellyfish. The specimens are about 200 million years older than the oldest previously discovered jellyfish fossils.
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- Hunting martian fossils best bet for locating Mars life, says ASU researcher
02-16-2007 · EurekAlert!
Hunting for traces of life on Mars calls for two radically different strategies, says Arizona State University professor Jack Farmer. Of the two, he says, with today's exploration technology we can most easily look for evidence for past life, preserved as fossil "biosignatures" in old rocks.Farmer is reporting on his work today (February 16) at the annual meeting of the American Association for the Advancement of Science in San Francisco.
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- Caves of St. Louis County: A tale of loss
03-12-2007 · EurekAlert!
Caves are in trouble, says Robert Criss, Ph.D., professor of Earth and Planetary Sciences in Arts & Sciences at Washington University in St. Louis. In a current paper, Criss and colleagues describe some of St. Louis County's (Mo.) 127 known caves and warn that development over the past two centuries has eliminated or destroyed many caves in a state that could quite rightly call itself the "Cave State."
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- 'Carnivorous' Coelophysis Dinosaur Fossil Re-examined -- Last Meal Was Primitive Crocodile
10-02-2006 · ScienceDaily
Four American Museum of Natural History paleontologists have overturned a 1950s claim that a theropod dinosaur called Coelophysis was a cannibal that ate juveniles of its own kind, forcing a revision of a popular story of dinosaur behavior that has been repeated many times in the scientific literature, popular media, and museum exhibits. In order to test the well-known cannibal-Coelophysis hypothesis, the team re-examined the anatomy of the two celebrated Coelophysis fossils said to exhibit cannibalism, as well as the structure of the bone found in the abdominal cavity of one of the specimens.
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- Fossil data plugs gaps in current knowledge, study shows
10-02-2007 · University of Bath
Researchers from the Department of Biology & Biochemistry have shown for the first time that fossils can be used as effectively as living species in understanding the complex branching in the evolutionary tree of life.
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- Asian Trek: Fossil puts ancient humans in Far East
04-07-2007 · Science News Online
A 40,000-year-old partial human skeleton from a Chinese cave intensifies a debate over whether Stone Age people dispersing from Africa interbred with humanlike species that they encountered.
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- Possible evidence of cell division, differentiation found in oldest known embryo fossils
10-12-2006 · EurekAlert!
A group of 15 scientists from five countries has discovered evidence of cell differentiation in fossil embryos that are more than 550 million years old. They also report what appear to be cells about to divide. The discovery will be reported in the Oct. 13 issue of Science, in the article, "Cellular and Subcellular Structure of Neoproterozoic Animal Embryos."
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- Fossil data plug gaps in current knowledge, study shows
10-02-2007 · University of Bath
Researchers from the Department of Biology & Biochemistry have shown for the first time that fossils can be used as effectively as living species in understanding the complex branching in the evolutionary tree of life.
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