Articles with the keyword: 
Genetic testing may not be the best way to study one's ancestry
Darkfrog submitted, created time 1 month 3 weeks (www.nature.com)
In recent years, companies providing personal genetic exams have sprung up like mushrooms. For a fee and a cheek swab, they can will identify the client's countries of ancestry, even to specific regions.
However, Charmaine Royal of the the Duke Institute for Genome Sciences has serious reservations:
"The general limitation, I'd say, of all of these tests, is that they can't pinpoint with 100% accuracy who your ancestors may or may not be. Some people are concerned that the biogeographical ancestry test reifies the notion of race 
The long walk of the salamanders
jane2007 submitted, created time 1 year 1 month (www.nature.com)
Genetic studies unpick the travels of ancient amphibians from America to Asia.Salamanders aren’t exactly the animals that spring to mind when it comes to long-distance journeys. But researchers studying their ancient history say that these usually unadventurous animals once relocated some 25,000 kilometres from America to Asia — and then some of them came back again.
Student study bolsters case for adding a rare sunflower to the endangered species list
sumsung submitted, created time 1 year 3 months (www.vanderbilt.edu)
A native species of sunflower, called the giant whorled sunflower, is only known to exist in four locations in the Southeast United States. In the last four years, Vanderbilt graduate student Jennifer Ellis has conducted a series of genetic studies that significantly increase the odds that this gangly plant will be placed on the endangered species list.
Kids often has a potential genetic risk from parent
abc01 submitted, created time 1 year 4 months (www.reutershealth.com)
A new study confirms.Parents who learn that they carry a breast cancer-linked gene mutation will usually pass this information along to their children, and will often do so long before any medical interventions are necessary.
Fat-burning defect in liver may cause obesity
DanyC submitted, created time 1 year 5 months (www.reutershealth.com)
A new study shows, rats with a genetic predisposition to burn fat more slowly tend to put on weight more readily than rodents bred to resist becoming obese.The findings could help explain why some people get fat more readily than others, Dr. Mark I. Friedman of the Monell Chemical Senses Center in Philadelphia, one of the study's authors, told Reuters Health.
saury submitted, created time 1 year 5 months (www.jneuroengrehab.com)
"The use of virtual reality, when combined with classical neuropsychological tests, can provide an effective tool for the study of topographical disorientation."
Overweight elderly don't have higher death rates
DanyC submitted, created time 1 year 6 months (www.reutershealth.com)
A new study from Japan shows after the age of 80, carrying a few extra pounds may not subtract years from your lifespan.
Genetic and environmental bases of childhood antisocial behavior: A multi-informant twin study
cappuccion submitted, created time 1 year 6 months (content2.apa.org)
Genetic and environmental influences on childhood antisocial and aggressive behavior (ASB) during childhood were examined in 9- to 10-year-old twins, using a multi-informant approach. The parents, children, and teachers have only a partly "shared view" and that the additional factors that influence the "rater-specific" view of the child's antisocial behavior vary for different informants. This is the first study to demonstrate strong heritable effects on ASB in ethnically and economically diverse samples.
Children's Ritalin use higher after parents divorce
Reviver submitted, created time 1 year 7 months (www.reutershealth.com)
The study, based on a national survey of 3,883 Canadian families, found that 6.1 percent of children whose parents divorced during the study period were prescribed methylphenidate. The rate was 3.3 percent among children whose parents remained together.
Study of planarians offers insight into germ cell development
medal submitted, created time 1 year 8 months (www.biologynews.net)
"The planarian is not as well known as other, more widely used subjects of scientific study – model creatures such as the fruit fly, nematode or mouse. But University of Illinois cell and developmental biology professor Phillip Newmark thinks it should be. As it turns out, the tiny, seemingly cross-eyed flatworm is an ideal subject for the study of germ cells, precursors of eggs and sperm in all sexually reproducing species. "
No genetic link found for heart risk, study says
fiona submitted, created time 1 year 8 months (www.reuters.com)
"Genetic testing failed to find any gene mutations that predict a higher risk of heart disease, a study released on Tuesday said."
Genetic study evaluates Herodotus's claim: Did the Etruscans come from the Near East?
Darkfrog submitted, created time 1 year 9 months (www.nytimes.com)
Early historian Herodotus claimed that the Etruscans came to Italy from what is now Turkey. However, the idea that the Etruscan culture, of which modern Italians are very proud, could have come from outside Italy is offensive to many Italians. For many years, all opponents had to go on was the fact that Etruscan is not an Indo-European language. While the details of his story may be shaky, three new, independent studies support the core idea
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