Isotopic Variation Current Events | Isotopic Variation News | 11
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DNA provides 'smoking gun' in the case of the missing songbirds
It sounds like a tale straight from "CSI": The bully invades a home and does away with the victim, then is ultimately found out with the help of DNA evidence. view more (2008-11-05)
Ancient raindrops reveal the origins of California's Sierra Nevada range
One of the longest ongoing controversies in Earth science concerns the age of California's Sierra Nevada, the tallest mountain range in the continental United States and site of Yosemite National Park, Lake Tahoe and other scenic wonders. view more (2006-07-07)
Oldest Known Rock on Earth Discovered
Canadian bedrock more than 4 billion years old may be the oldest known section of the Earth's early crust. view more (2008-09-29)
Blood transfusion study: Less is more
A new study suggests that blood transfusions for hospitalized cardiac patients should be a last resort because they double the risk of infection and increase by four times the risk of death. view more (2009-08-06)
Genomic Variation Easier To Identify With UCSD/Brown Software
When cells reproduce, their DNA is copied - and mistakes are made. These mistakes, or mutations, range from changes in a single letter of the DNA sequence to drastic deletions, duplications or rearrangements of genetic code. view more (2006-12-27)
Defining DNA differences to track and tackle typhoid
For the first time, next-generation DNA sequencing technologies have been turned on typhoid fever - a disease that kills 600,000 people each year. The results will help to improve diagnosis, tracking of disease spread and could help to design new strategies for vaccination. view more (2008-07-28)
Geographic isolation drives the evolution of a hot springs microbe
Sulfolobus islandicus, a microbe that can live in boiling acid, is offering up its secrets to researchers hardy enough to capture it from the volcanic hot springs where it thrives. view more (2009-05-28)
Gene associated with pair-bonding in animals has similar effects in human males
Variation in the gene for one of the receptors for the hormone vasopressin appears to be associated with how human males bond with their partners, according to an international team of researchers. view more (2008-09-04)
Study supports triple combination therapy for HIV
New evidence in this week’s BMJ supports the use of up to three antiviral drugs (triple therapy) to treat people with HIV. view more (2002-03-27)
Wildlife Conservation Society study finds seasonal seas save corals with 'tough love'
Finally, some good news about the prospects of coral reefs in the age of climate change. According to a new study by the Wildlife Conservation Society, corals may actually survive rising ocean temperatures in 'tough love' seas with wide-ranging temperatures. view more (2007-11-30)
Greenhouse gas bubbling from melting permafrost feeds climate warming
A study co-authored by a Florida State University scientist and published in the Sept. 7 issue of the journal Nature has found that as the permafrost melts in North Siberia due to climate change, carbon sequestered and buried there since the Pleistocene era is bubbling up to the surface of Siberian thaw lakes and into the atmosphere as methane, a... view more... (2006-09-07)
Mental stress reduces blood flow to the heart in patients with gene variation
University of Florida researchers have identified a gene variation in heart disease patients who appear especially vulnerable to the physical effects of mental stress - to the point where blood flow to the heart is greatly reduced. view more (2008-04-16)
Origins of Life
The origin of life lies in unique ocean reefs, and scientists from the University of Miami's Rosenstiel School of Marine & Atmospheric Science have developed an approach to help investigate them better. view more (2006-11-20)
100 reasons to change the way we think about genetics
For years, genes have been considered the one and only way biological traits could be passed down through generations of organisms. view more (2009-05-19)
Female Antarctic seals give cold shoulder to local males
Female Antarctic fur seals will travel across a colony to actively seek males which are genetically diverse and unrelated, rather than mate with local dominant males. view more (2007-02-08)
Scientists link genetic glitches to common childhood cancer
A multicenter team of childhood cancer researchers has discovered two genetic variations linked to an increased risk for acute lymphoblastic leukemia, or ALL, the most common childhood cancer in the United States. view more (2009-08-18)
European meeting in Athens fuels future space exploration missions to Mars, Moon
A European Science Foundation (ESF)-led workshop sponsored by the European Space Agency (ESA) has enabled 88 scientists from 11 European countries to agree on science goals for future Europe's planetary exploration programme; providing the continent with an ambitious roadmap to examine Mars and the Moon. view more (2007-06-01)
Quality of life for lab animals
THE drive to improve the lives of laboratory animals is having an unforeseen effect. Enriching the living conditions of rats, mice and other animals changes both their behaviour and their physiology, new studies show. This will have an increasingly important effect on the outcome of scientific experiments, including drugs trials.... view more... (2002-03-06)
Human-chimp difference may be bigger
Approximately 6 percent of human and chimp genes are unique to those species, report scientists from Indiana University Bloomington and three other institutions. view more (2006-12-20)
Reverse evolution in real-time
In his book, Wonderful World, Stephen Jay Gould writes about an experiment of 'replaying life's tape', wherein one could go back in time, let the tape of life play again and see if 'the repetition looks at all like the original'. view more (2009-01-12)
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