Tag: "controversial" at biology news

Study suggests estrogen deficiency can lead to obesity-induced high blood pressure after menopause

... risk factor in women after menopause. Despite the controversial data about estrogen therapy in clinical studies, the results of this study performed in aged rats suggest that the loss of estrogens after menopause may contribute to the development of obesity and hypertension, opening new therapeutic approaches to ...

Beyond Mesopotamia: A radical new view of human civilization reported in Science

...rthed tablets with an unknown writing system. This controversial find highlights the complexity of the cultures in an area long considered a backwater, Lawler explained. These urban centers are away from the river valleys that archaeologists have traditionally focused on, according to Lawler. Archaeologists now ...

Rare example of Darwinism seen in action

...s, has found experimental evidence that supports a controversial theory of genetic conflict in the reproduction of those animals that support their developing offspring through a placenta. The conflict has been likened to a battle of the sexes or an arms race at the molecular level between mothers and fathers. A...

Females more prone to brain damage from alcohol abuse

...re vulnerable." This data is "consistent with some controversial human studies that suggest that females do develop more brain damage than male alcoholics." Future studies, including one funded by the VA, will examine the role that hormones play in response to alcohol withdrawal, include the possibility that the...

Global warming is evaporating Arctic ponds, new study shows

... the ponds, using paleoecological techniques. In a controversial 1994 paper published in the journal Science, they showed that the ponds existed for millennia, but that, beginning in the 19th century, they underwent marked ecological changes, consistent with warming. We had a bit of a rough ride with that paper...

Support for chromosomal theory of cancer found in cancers' development of drug resistance

...cular and cell biology. According to his novel yet controversial "chromosomal" theory of cancer, which is receiving increased attention among cancer researchers, each cancer is unique, and there is no magic bullet. "The mutation theory of cancer says that a limited number of genes causes cancer, so cancers shoul...

Scientists call for global push to advance research in synthetic biology

...se and brainstorm on one of the most promising yet controversial fields facing science today, said Cees Dekker, professor of molecular biophysics in the Kavli Institute of NanoScience at the Delft University of Technology. That we not only achieved a consensus, but resolved to issue a unanimous statement on the cr...

Kansas, Missouri School Board members to explore improvements in science-related education

...school boards can effectively engage the public on controversial science-related issues. The day will conclude with a session devoted to helping board members integrate what they've learned into a preliminary action plan tailored to their individual districts. Among the speakers: Jo Ellen Roseman, director of AA...

Marine phytoplankton changes form to protect itself from different predators

...ponding. The role of this phytoplankton has been controversial in the scientific community, with some arguing that Phaeocystis makes a good food source for higher creatures in the cold oceans, while others contend its food role is small. While this paper wont resolve the dispute, Hay believes it shows that both...

Study helps preserve Arctic whale, Eskimo subsistence hunt

... it shows multinational scientific solidarity on a controversial issue. "This is an example of where science and management actually affect people's lives," Bickham said. "In Indiana, for example, if people have to cut back on the number of white-tailed deer or other game species that can be hunted, there is lit...

New study finds genetically engineered crops could play a role in sustainable agriculture

...ops. Biotechnology and genetic engineering are controversial because of concerns about risks to human health and biodiversity, but few analyses exist that reveal the actual effects genetically modified plants have on other non-modified species. In an analysis of 42 field experiments, scientists found that thi...

UCLA researchers reprogram normal tissue cells into embryonic stem cells

...hat this new technique could potentially replace a controversial method used to reprogram cells, somatic cell nuclear transfer (SCNT), sometimes referred to therapeutic cloning. To date, SCNT has not been done successfully in human cells. If we can successfully reprogram a normal human cell into a cell with alm...

JCI table of contents -- June 1, 2007

...infants life. However this hypothesis has remained controversial because of an inability to detect antigen-specific T cells in cord blood. Recently, a newly developed technique known as MHC tetramer staining has facilitated the detection of antigen-specific T cells. In the June 1 issue of the Journal of Clinical...

Pregnant mom's exposure to flu vaccine kick-starts fetal immune system

...infants life. However this hypothesis has remained controversial because of an inability to detect antigen-specific T cells in cord blood. Recently, a newly developed technique known as MHC tetramer staining has facilitated the detection of antigen-specific T cells. In the June 1 issue of the Journal of Clinical...

The stem cells that weren't there

...n of the research is for beta cell regeneration, a controversial area of diabetes research. Patents with longstanding type 1 diabetes have small amounts of islets that escape destruction by the immune system. With sufficient biological knowledge and the appropriate techniques, it might even be possible to someday ...

Plants do not emit methane

...ributors to the annual global methane budget. This controversial finding and the resulting commotion triggered a consortium (2) of Dutch scientists to re-examine this in an independent study. Reporting in New Phytologist, Tom Dueck and colleagues present their results and conclude that methane emissions from plant...

Blame the brain for high blood pressure

The controversial idea that one cause of high blood pressure lies within the brain, and not the heart or blood vessels, has been put forward by scientists at the University of Bristol, UK, and is published this week in the journal Hypertension. Dr. Hidefumi Waki, wo...

Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex

...ay chickens, lending support to a recent and still controversial proposal that birds and dinosaurs are evolutionarily related. The HMS and BIDMC researchers, working with scientists at North Carolina State University, report their findings in the April 13 Science. "Most people believe that birds evolved from din...

ACS News Service Weekly PressPac -- March 28, 2007

...y failed to replicate the initial findings and the controversial concept was dismissed by most people in the scientific community. "Although cold fusion is considered controversial, the scientific process demands of us to keep an open mind and examine the new results once every few years," says Gopal Coimbatore...

ACS News Service Weekly PressPac -- March. 14, 2007

...rst atomic bombs, the United States is considering controversial proposals to produce a new generation of nuclear weapons and revamp its nuclear weapons complex, according to an article scheduled for the March 19 issue of Chemical & Engineering News (C&EN), ACS weekly newsmagazine. In the article, C&EN senior ed...

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(Date:10/16/2014)... 2014) – Post-menopausal women experienced improvements in vaginal ... or genital bleeding, after 12 weeks of daily ... soy germ-based nutritional supplement previously shown to help ... peer-reviewed pilot study reported in a poster at ... meeting. , "These data documented improved vaginal ...
(Date:10/15/2014)... the pandemic risk from strains of influenza virus increases ... ourselves to become complacent that the most substantial threats ... , Influenza pandemics arise when a new virus strain ... immunity – spreads in the human population. There have ... the worst of which – the 1918 Spanish Flu ...
(Date:10/15/2014)... spreading rapidly and to an unexpected extent. The outbreak ... and the virus shows a new disease dynamic in ... this reason, the German National Academy of Sciences Leopoldina, ... and the Union of the German Academies of Sciences ... epidemic today. , In the statement the academies call ...
Breaking Biology News(10 mins):S-equol supplements associated with improved measures of reproductive health in postmenopausal women 2Scientists 'must not become complacent' when assessing pandemic threat from flu viruses 2Academies call for consequences from the Ebola virus epidemic 2Academies call for consequences from the Ebola virus epidemic 3Academies call for consequences from the Ebola virus epidemic 4Academies call for consequences from the Ebola virus epidemic 5
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