Daily non-political popular news in brief.
Ancient arches guide modern work
05-16-2007 · Massachusetts Institute of Technology (MIT)John Ochsendorf, assistant professor of architecture at MIT who studies historical design procedures, says we can learn a lot from studying exactly why and under what loads flexible lines will keep hanging and rigid arches will keep standing.
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- FSU anthropologist finds earliest evidence of maize farming in Mexico
04-09-2007 · EurekAlert!
A Florida State University anthropologist from Tallahassee, Fla., has new evidence that ancient farmers in Mexico were cultivating an early form of maize, the forerunner of modern corn, about 7,300 years ago -- 1,200 years earlier than scholars previously thought.
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- Did early Southwestern Indians ferment corn and make beer?
12-05-2007 · EurekAlert!
The belief among some archeologists that Europeans introduced alcohol to the Indians of the American Southwest may be faulty.Ancient and modern pot sherds collected by New Mexico state archeologist Glenna Dean, in conjunction with analyses by Sandia National Laboratories researcher Ted Borek, open the possibility that food or beverages made from fermenting corn were consumed by native inhabitants centuries before the Spanish arrived.
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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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- ESF EUROCORES Program OMLL helps uncover ancient human behavior
06-20-2007 · EurekAlert!
A major question in evolutionary studies today is how early did humans begin to think and behave in ways we would see as fundamentally modern? One index of "behavioural modernity" is in the appearance of objects used purely as decoration or ornaments. Such items are widely regarded as having symbolic rather than practical value. By displaying them on the body as necklaces, pendants or bracelets or attached to clothing this also greatly increased their visual impact.
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- Most ancient case of tuberculosis found in 500,000-year-old human; points to modern health issues
12-07-2007 · EurekAlert!
Although most scientists believe tuberculosis emerged only several thousand years ago, new research from the University of Texas at Austin reveals the most ancient evidence of the disease has been found in a 500,000-year-old human fossil from Turkey.The discovery of the new specimen of the human species, Homo erectus, suggests support for the theory that dark-skinned people who migrate northward from low, tropical latitudes produce less vitamin D, which can adversely affect the immune system as well as the skeleton.
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- Novel experiments on cement yield concrete results
03-30-2007 · EurekAlert!
Using a brace of the most modern tools of materials research, a team from NIST and Northwestern University has shed new light on one of mankind's older construction materials -- cement. Their refinements to our understanding of how cement and concrete actually work.
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- Evidence from ancient European graves raises questions about ritual human sacrifice
05-29-2007 · EurekAlert!
A fascinating new paper explores ancient multiple graves and raises the possibility that hunter gatherers in what is now Europe may have practiced ritual human sacrifice. This practice -- well-known in large, stratified societies -- supports emerging research that argues that the level of social complexity reached in the distant past by groups of hunter gatherers was well beyond that of many more recent small bands of modern foragers.
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- Earliest birds acted more like turkeys than common cuckoos
11-05-2007 · EurekAlert!
The earliest birds acted more like turkeys than common cuckoos, according to a new report in the Nov. 6 issue of Current Biology, a publication of Cell Press. By comparing the claw curvatures of ancient and modern birds, the researchers provide new evidence that the evolutionary ancestors of birds primarily made their livings on the ground rather than in trees.
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- When bivalves ruled the world
08-31-2007 · EurekAlert!
Fraiser's work supports a relatively new theory for the cause of the massive extinction that occurred as the Permian period ended and the Triassic period began: toxic oceans created by too much atmospheric carbon dioxide. The theory is important because it could help scientists predict what would happen in the oceans during a modern "C02 event."
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- Ancient retrovirus sheds light on modern pandemic
06-21-2007 · EurekAlert!
Human resistance to a retrovirus that infected chimpanzees and other nonhuman primates four million years ago ironically may be at least partially responsible for the susceptibility of humans to HIV infection today.
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