News tagged with archeological evidence
Australia discovered by the 'Southern Route'
Jul 21, 2009 |
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Genetic research indicates that Australian Aborigines initially arrived via south Asia. Researchers writing in the open access journal BMC Evolutionary Biology have found telltale mutations in modern-day Indian populations that a ...
Archeological evidence of human activity found beneath Lake Huron
Other Sciences / Archaeology & Fossils
Jun 08, 2009 |
4.7 / 5 (19) |
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More than 100 feet deep in Lake Huron, on a wide stoney ridge that 9,000 years ago was a land bridge, University of Michigan researchers have found the first archeological evidence of human activity preserved beneath the ...
Voyages of discovery or necessity? Fish poisoning may be why Polynesians left paradise
May 18, 2009 |
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Fish poisoning, or ciguatera could be the reason that New Zealand, Easter Island and, possibly, Hawaii in the 11th to 15th centuries became colonized by masses of migrating Polynesians.
First Americans arrived as 2 separate migrations, according to new genetic evidence
Biology /
Jan 08, 2009 |
4.8 / 5 (13) |
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The first people to arrive in America traveled as at least two separate groups to arrive in their new home at about the same time, according to new genetic evidence published online on January 8th in Current Biology, a Cell ...
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'Notch'ing up a role in the multisystem disease tuberous sclerosis complex
Dec 28, 2009 |
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Two independent teams of researchers have identified a role for enhanced activation of the signaling protein Notch in tumors characterized by inactivation of either the TSC1 or the TSC2 protein. As indicated by Warren Pear, ...
How amyloid beta reduces plasticity related to synaptic signaling
Dec 28, 2009 |
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The early stages of Alzheimer's disease are thought to occur at the synapse, since synapse loss is associated with memory dysfunction. Evidence suggests that amyloid beta (Aβ) plays an important role in early synaptic ...
Exposure to tobacco smoke in childhood home associated with early emphysema in adulthood
Dec 28, 2009 |
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Children regularly exposed to tobacco smoke at home were more likely to develop early emphysema in adulthood. This finding by researchers at Columbia University's Mailman School of Public Health suggests that the lungs may ...
Student sleuths using DNA reveal zoo of 95 species in NYC homes -- and new evidence of food fraud
Dec 28, 2009 |
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Two New York City high school students exploring their homes using the latest high-tech DNA analysis techniques were astonished to discover a veritable zoo of 95 animal species surrounding them, in everything ...
Steroid injections may slow diabetes-related eye disease
Dec 28, 2009 |
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Researchers led by specialists at the Johns Hopkins Wilmer Eye Institute have found that injecting a corticosteroid, triamcinolone, directly into the eye may slow the progression of proliferative diabetic retinopathy, a complication ...
Splitting fluorescent protein helps image clusters in live cells
Dec 26, 2009 |
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Half a protein is better than none, and in this case, it's way better than a whole one. A Rice University lab has discovered that dividing a particular fluorescent protein and using it as a tag is handy for analyzing the ...
China bloggers fined for defamation: report
Dec 26, 2009 |
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Two Chinese bloggers were ordered to pay about 290,000 yuan (42,478 dollars) in compensation to the widow of film director Xie Jin for claiming he died in the arms of a prostitute, a report said Saturday.
New tool in the fight against mosquito-borne disease: A microbial 'mosquito net'
Dec 24, 2009 |
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Earlier this year, researchers showed that they could cut the lives of disease-carrying mosquitoes in half by infecting them with a bacterium they took from fruit flies. Now, a new report in the December 24th issue of Cell, ...
Molecular anchor links the 2 inheritable diseases Fanconi anemia and Bloom's syndrome
Dec 24, 2009 |
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A new study establishes a molecular link that bridges two rare inherited disorders and explains why these diseases result in genetic instability. The research, published by Cell Press in the December 24th issue of the journal ...
'Self-seeding' of cancer cells may play a critical role in tumor progression
Dec 24, 2009 |
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Cancer progression is commonly thought of as a process involving the growth of a primary tumor followed by metastasis, in which cancer cells leave the primary tumor and spread to distant organs. A new study by researchers ...
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