Isotopic Variation Current Events | Isotopic Variation News | 9
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Genetic variation: We're more different than we thought
New research shows that at least 10 percent of genes in the human population can vary in the number of copies of DNA sequences they contain-a finding that alters current thinking that the DNA of any two humans is 99.9 percent similar in content and identity. view more (2006-11-27)
U-M, Israeli scientists report major advance in search for genes associated with colon cancer
A 10-year study involving thousands of Israeli Jews and Arabs, led by researchers from American and Israeli institutions, has yielded important new information in the search for the genes that make a person more likely to develop colon cancer. view more (2007-07-09)
Bringing Martian samples to Earth -- preparations outlined in journal Astrobiology
A critical component of NASA's Mars exploration program involves bringing planetary samples back to Earth for in-depth analysis, plans for which are detailed in the latest issue of Astrobiology, a peer-reviewed journal published by Mary Ann Liebert, Inc. The report is available free online at www.liebertpub.com/ast view more (2008-08-14)
Ability to listen to 2 things at once is largely inherited, says twin study
Your ability to listen to a phone message in one ear while a friend is talking into your other ear-and comprehend what both are saying-is an important communication skill that's heavily influenced by your genes. view more (2007-07-18)
Doubts raised about illegal drug use surveys
A scientific study reported in two related articles in the Journal of Drug Issues raises serious doubts about the nation's illegal drug use surveillance programs. view more (2006-03-03)
Toxic to aliens -- but key to health of planet
Scientists at the University of Leicester are using an ingredient found in common shampoos to investigate how the oxygen content of the oceans has changed over geologically recent time. view more (2008-06-19)
Genes and the environment contribute differently to drinking among young adolescents
A 2001/2002 report by the World Health Organization found that, among young people in western countries who began drinking before 16 years of age, the average age of initiation was 12 years of age. view more (2008-05-06)
USC scientists link variations in growth-factor gene to risk of prostate cancer
Two variations in the gene for insulin-like growth factor I (IGF-1) are linked to an increased risk of prostate cancer. view more (2006-01-18)
Looking different 'helps animals to survive'
In the animal kingdom, everything is not as it seems. Individuals of the same species can look very different from each other - what biologists term 'polymorphism.' view more (2009-07-24)
New tool promises more accurate antimalarial drug dosing
Scientists at LSTM have developed a tool to support the development of appropriate age-based dosing regimens for malaria drugs. view more (2009-10-30)
Study Finds Gender Differences In Renal And Other Genes
Many common diseases exhibit gender bias and gender differences have been observed in the development of high blood pressure (hypertension) and heart (cardiovascular) disease. view more (2007-08-09)
New way to help diagnose dementia
A new way of interpreting 3D images of the brain has opened up the possibility of doctors being able to distinguish between Alzheimer’s disease and other degenerative brain diseases. Doctors need to be able to diagnose the correct disease accurately and as early as possible to implement the most appropriate treatment. The work is being... view more... (2000-08-01)
Testosterone turns male juncos into blustery hunks -- and bad dads
The ability to ramp up testosterone production appears to drive male dark-eyed juncos to find and win mates, but it comes with an evolutionary cost. Big fluctuations in testosterone may also cause males to lose interest in parenting their own young, scientists have learned. view more (2007-10-16)
Researchers lift a corner of the veil of depression
About 1 in 10 Europeans has to contend with some form of depression during his or her life. But how people become depressed is still largely a mystery. view more (2006-03-16)
Gene variation may elevate risk of liver tumor in patients with cirrhosis
A particular gene variation appears to significantly increase the risk that individuals with cirrhosis of the liver will go on to develop hepatocellular carcinoma (HCC), a liver tumor that is the third leading cause of cancer death. view more (2008-01-02)
Scientists Take Early Steps Toward Mapping Epigenetic Variability
The study of eipigenetic variability in cells and tissues could someday help diagnose diseases more precisely and provide more targeted treatments for chronic ailments. view more (2009-08-17)
Study breaks ground in revealing how neurons generate movement
When the eye tracks a bird's flight across the sky, the visual experience is normally smooth, without interruption. But underlying this behavior is a complex coordination of neurons that has remained mysterious to scientists. view more (2008-04-25)
Growing crops to cope with climate change
Scientists at the UK's leading plant science centre have uncovered a gene that could help to develop new varieties of crop that will be able to cope with the changing world climate. view more (2006-01-20)
What Can Be Found Out By Pulse
Simple and quick method of variation pulsometry allows to evaluate the state of the organism during mass examinations, and in some cases, the researchers believe, is able to replace electroencephalography monitoring. view more (2005-05-20)
Genetic Heterogeneity of Icelanders
Research undertaken by Professor Einar 'rnason at the University of Iceland, Reykjavik and published in the January 2003 issue of Annals of Human Genetics highlights the inaccuracy of claims that Icelanders are a 'genetically homogenous' population. Professor 'rnason explains in his article: "Recently, statements have been made about a... view more... (2003-02-07)
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