Tag: "nature" at biology news

Interaction of just 2 genes governs coloration patterns in mice

...ighter than that of their mainland brethren. "In nature there is a tremendous amount of variation in color patterns among organisms, ranging from leopard spots to zebra stripes, that help individuals survive," says Steiner, a postdoctoral researcher in UCSD's Division of Biological Sciences. "However, we ...

Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands

...ll depend on the history of the permafrost and the nature of both vegetation and soils. What is clear, she said, is that not even northern ecosystems can escape the wide reach of climate change....

Weizmann Institute scientists discover a control mechanism for metastasis

...roteins are modulated by the growth factor and the nature of the genetic mechanisms involved in cancer cell migration, a team of researchers pooled their knowledge and resources. This team, headed by Prof. Yosef Yarden of the Weizmann Institutes Biological Regulation Department and his research group, inclu...

Ecologists work to link kids with nature

...left indoors: Ecologists linking young people with nature co-organized by the Ecological Society of Americas...d in the Woods called nation-wide attention to the nature deficit in U.S. children, is keynote speaker for the symposium. The session will feature eight case...

Argonne wins three R&D 100 awards for innovative technologies

...nd interact with files and applications. The open nature of the Access Grid software has attracted thousands of users from around the world and has encouraged numerous commercial and research institutions to adopt the software for their purposes. Access Grid has been used by college professors to teach s...

Gene variant is associated with brain anatomy, clinical course of ADHD

...h there remains considerable debate over the exact nature of this phenotype [characteristic], the authors write. Philip Shaw, M.D., Ph.D., of the National Institute of Mental Health, Bethesda, Md., and colleagues compared 105 children with ADHD (average age 10.1) to 103 healthy controls, using both magnet...

How cells change the pace of their steps

...ble to make precise measurements of the repetitive nature of the forces and strain energies exerted by cells, and this has allowed us to better characterize the mechanics of the cell motility cycle, said Juan C. Lasheras, a co-author of the study and a professor of mechanical and aerospace engineering at UC...

Universe's stringy birth revealed by young Czech scientist in EURYI winning project

...erstanding some of the deepest questions about the nature of our universe. Schnabl, a 34 year-old Czech scientist, is a member of Princetons Institute for Advanced Study. He took his PhD in theoretical physics at the International School for Advanced Studies in Trieste, Italy, then went on to become resear...

Where broken DNA is repaired

...ccurred, there was an underlying difference in the nature of the DNA. Indeed there was. By comparison to the random distribution that might have been expected, RIF were more frequent in the low-density regions. And a preponderance of RIF coincided with the interfaces between the two kinds of DNA. "In ...

ESA announces 2007 award recipients

... classic paper Changing concepts in the balance of nature (1973, Quarterly Review of Biology 48:322-350) is a seminal paper that first pointed ecologists in the direction of non-equilibrium thinking. Eminent Ecologist Award Otto Lange The 2007 Eminent Ecologist Award recipient is Otto Lange. This aw...

JCI table of contents: August 1, 2007

...homeostasis in the hypothalamus." The surprising nature of the results is discussed further in an accompanying commentary by Joel Elmquist from the University of Texas Southwestern. Elmquist notes that it is complex studies such as these that uncover unexpected results that are "needed to combat the growi...

Forsyth scientists gain new understanding of adult stem cell regulation

...as the potential to help scientists understand the nature of the messages that control stem cell regulation such as the message that maintain and tells a stem cell to specialize and to become part of an organ e.g.: liver or skin. In recent years, planarians have been recognized as a great model system to...

Aggressive therapy best for certain AML patients

...with chromosomes that show distinctive damage. The nature of that damage helps doctors determine a patient's therapy and estimate the patient's prognosis. The remaining AML cases have cancer cells with normal-looking chromosomes. These cells lack the microscopic chromosome damage that guide therapy. I...

'The Man Who Saved The Sea Turtles'

...0th century. A pioneering biologist, ecologist and nature writer, he launched an international campaign to p...e endangered species gained popularity. A gifted nature writer, Carr wrote 10 books, some of which (The Windward Road: Adventures of a Naturalist on a Remot...

American Chemical Society's Weekly PressPac -- July 25, 2007

...d production method for seafood. Due to the global nature of production, similar fish products can be sourced from variable points of origin, and this can lead to instances of mislabeling, both intentional and fraudulent, their report states. It is scheduled for the current (July 25) issue of ACS Journal o...

Does EPA have an adequate strategy to oversee nanotechnologies?

...ere companies voluntarily submit details about the nature of the nanomaterials they are using to manufacture products and about their steps to ensure safety? What incentives, if any, exist for firms to take part in this new EPA program" And how appropriate is the agencys approach for classifying nanoscale s...

Jan Lwe awarded 2007 EMBO Gold Medal

... of tubulin and actin and analysed the filamentous nature of their assemblies. Two years after starting his post-doc at the MRC-LMB, Jan fast-tracked to become a Group Leader, and has focused on Molecular Machines. Recently, his group has discovered another protein in bacteria that was thought to be a 'si...

MIT team building robotic fin for submarines

... thrust. We don't want to replicate exactly what nature does, said Tangorra, who will soon be joining the ...build machines or robots in a manner closer to how nature creates things, said Tangorra. In future research, the team plans to look at other aspects of the...

Females more prone to brain damage from alcohol abuse

...bute to excessive drinking and the self-sustaining nature of alcoholism. "The results suggest that females are more vulnerable to neurotoxic consequences of alcohol withdrawal," Wiren noted. "Everyone should be concerned about chronic alcohol consumption and severe intoxication, but females may be more vu...

Renewable energy wrecks environment

...and disturbed. He also compares the destruction of nature by renewables with the demand for space of nuclear...t of the atom offers far the smallest footprint in nature of any energy source. Benefiting from economies of scale, nuclear energy could multiply its power ou...

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(Date:10/16/2014)... be cultivated efficiently, they are anything but sustainable: ... monoculture cultivation is becoming increasingly evident. Despite their ... and are regarded as the sole possibility of ... wrongfully, finds Bernhard Schmid, an ecology professor at ... form of agriculture and forestry. After all, a ...
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Breaking Biology News(10 mins):Plant communities produce greater yield than monocultures 2Plant communities produce greater yield than monocultures 3Sandata Announces Case Study with Quality Care Services, Inc. 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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