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Sven Brun
Lives in Oslo
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Sven Brun

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Vi har fått tilbud om støydempende tiltak, men reagerer på at tiltakene baserer seg på en estimert støy på 55 dB. 
Jernbaneverket har målt dagens støy, før riggområdet er på plass, til 55–65 dB.
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Om du mener at langtidssyke skal tilbys dokumentert behandling, så trykk "+1" og del! 

Ny post på Marias Metode:

http://bit.ly/NjnsVT
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Peter Higgs is on his way to Switzerland to take part in a press conference. You know what this probably means...
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FLOWER POWER: The insignificant little plant, Arabidopsis thaliana or thale cress, is a boon to biological research. And even the most ordinary flower looks beautiful through the eyes of a microscope, does it not?

• Those of us focused on understanding human disease don't pay much attention to research in plants. But plant biologists have taught us about micro RNAs, transposons, active demethylation, 'decoy' RNAs, and more. The wonderful world of genetics was first revealed through the patterns of inheritance of sweet peas, by one Austrian friar named Gregor Mendel.

• That's why I go to a plant conference once every few years. I never know what I may pick up and plant biologists are gracious enough to listen to our animal work.

#floralfriday +FloralFriday

Image: Mendel's Dream Arabidopsis flower captured with confocal microscopy by Heiti Paves, Centre of Excellence ENVIRON, Estonia.
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Mathematics and Art: Living in the Overlap. Continuing our series on Science and Art , here are some superb examples of Fractal Art, which uses self-similar mathematical transforms of different assigned geometric properties to produce multiple variations of the shape in continually reducing patterns.

Many Thanks to +J Huntemann for the find! You can create similar images with Apophysis --a freeware Windows application (http://apophysis.org/).

For more, see: http://www.smashingmagazine.com/2008/10/17/50-phenomenal-fractal-art-pictures/
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Sven Brun

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Scientists have grown a fully functional liver from stem cells derived from human skin and blood
Pictured: So-called induced pluripotent stem cells are easily obtainable mature cells that can be "reprogrammed" into a versatile, primitive state from where they can develop into any kind of cell in the body.

Read more: http://news.discovery.com/tech/biotechnology/first-human-liver-stem-cells-130705.htm

Please share the #Science!
#ScienceEveryday  +ScienceSunday +Part-Time Scientists 
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Kaspersky: Jeg presenterer nå min liste over de fem viktigste problemene, over et bredt spekter, som IT-sikkerheten møter.
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Deadly Beauty: Drugs under the Microscope These gorgeous images are of drugs that kill our cells as surely as they may heal us. Widely used in cancer chemotherapy and other disorders, they make us wonder at their beauty and question how they are used.

Mitomycin: DNA crosslinker antibiotic from Streptomyces. Used in glaucoma and lasik surgery, bladder, oesophageal and other cancers. Works by blocking DNA replication in dividing cells.

Azacititine: DNA methylase blocker used to treat myelodysplastic syndrome, and in clinical trials for relapsed acute myeloid leukemia (AML). Masquerades as a “C” nucleoside but cannot get modified so it blocks DNA methyltransferase and thus activate tumor suppressor genes silenced by hypermethylation.

Mitoxantrone: DNA topoisomerase inhibitor, used to treat metastatic breast cancer, AML, non-Hodgkin's lymphoma,and prostate cancer. During replication, DNA becomes "overwound" ahead of the replication fork. The topological tension is relieved by topoisomerases.The enzyme binds to "tense" DNA and cleaves the phosphate backbone; the DNA unwinds and, then topoisomerase reseals the break.

Fluoxetine (Prozac): Antidepressant blockbuster drug, works by inhibiting serotonin reuptake. Also used to treat obsessive compulsive disorder and eating disorders.

Trastuzumab (Herceptin): A monoclonal antibody that blocks the HER2/neu receptor and is used in the treatment of certain breast cancers. The HER2 gene is amplified in some cancers where it causes excessive cell growth. The treatment is very expensive ($100,000 a year) and cancers tend to become resistant.

+ScienceSunday , #sciencesunday
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Aurora over Kvaloysletta, Troms Fylke, Norway

January 24, 2012

B_Olsen | http://www.flickr.com/
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Have him in circles
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Olav Barros Storstrøm's profile photo
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Rolf Cato Spiel's profile photo
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