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thinkahol *

Drug reverses accelerated aging | KurzweilAI - 2 views

www.kurzweilai.net/rug-reverses-accelerated-aging

Drug reverses accelerated aging | KurzweilAI

shared by thinkahol * on 11 Jul 11 - No Cached
  • thinkahol * on 11 Jul 11
     
    An immune-suppressing drug called rapamycin could possibly treat Hutchinson-Gilford progeria syndrome (HGPS), a rare genetic disease that causes premature aging, and advance biological understanding of the normal aging process, according to researchers from the National Human Genome Research Institute (NHGRI) at the National Institutes of Health, the University of Maryland and Massachusetts General Hospital. Progeria is a genetic disorder characterized by dramatic premature aging. "Progerin that causes progeria also accumulates, although in very small amounts, in normal aging," said Dimitri Krainc, M.D., Ph.D., associate professor of neurology at Harvard Medical School. "However, if rapamycin proves to have beneficial effects in lifespan in humans it is safe to assume that it will not be just because it may clear progerin from cells, but also because it clears other toxic products that accumulate during aging." Ref.: Francis S. Collins, et al., Rapamycin Reverses Cellular Phenotypes and Enhances Mutant Protein Clearance in Hutchinson-Gilford Progeria Syndrome Cells, Science, 2011; [DOI: 10.1126/scitranslmed.3002346]
thinkahol *

Reverse-engineering the infant mind | KurzweilAI - 0 views

www.kurzweilai.net/se-engineering-the-infant-mind

Reverse-engineering the infant mind | KurzweilAI

shared by thinkahol * on 13 Jun 11 - No Cached
  • thinkahol * on 13 Jun 11
     
    A new study by MIT shows that babies can perform sophisticated analyses of how the physical world should behave. The scientists developed a computational model of infant cognition that accurately predicts infants' surprise at events that violate their conception of the physical world. The model, which simulates a type of intelligence known as pure reasoning, calculates the probability of a particular event, given what it knows about how objects behave. The close correlation between the model's predictions and the infants' actual responses to such events suggests that infants reason in a similar way, says Josh Tenenbaum, associate professor of cognitive science and computation at MIT.
Erich Feldmeier

'Roy Taylor, Iain Frame Reversing' type 2 diabetes? | Quality in Care - 0 views

www.qualityincareblog.org/...reversing-type-2-diabetes

science Health biology research genetics

shared by Erich Feldmeier on 17 Dec 11 - No Cached
  • Erich Feldmeier on 17 Dec 11
     
    "The results are indeed worthy of attention, with Prof Taylor's team finding that in an early stage clinical trial of 11 people who were put on a diet of just 600 calories As written about in Dr Ben Goldacre's latest Bad Science column, producing a pattern from experimental data to come to a conclusion can be a 'magical' experience, but medicine is an 'imperfect art'. "We all know one atom of experience isn't enough to spot a pattern." writes Goldacre, "But when you put lots of experiences together and process that data, you get new knowledge.""
Erich Feldmeier

@PeterSpork #epigenetik #sleep BBC News - How much can an extra hour's sleep change you? - 0 views

www.bbc.co.uk/...magazine-24444634

neurobiology biology spatzenhirn system1 genetics health

shared by Erich Feldmeier on 04 Feb 14 - No Cached
  • Erich Feldmeier on 04 Feb 14
     
    Dr Simon Archer and his team at Surrey University were particularly interested in looking at the genes that were switched on or off in our volunteers by changes in the amount that we had made them sleep. "We found that overall there were around 500 genes that were affected," Archer explained. "Some which were going up, and some which were going down." What they discovered is that when the volunteers cut back from seven-and-a-half to six-and-a-half hours' sleep a night, genes that are associated with processes like inflammation, immune response and response to stress became more active. The team also saw increases in the activity of genes associated with diabetes and risk of cancer. The reverse happened when the volunteers added an hour of sleep. So the clear message from this experiment was that if you are getting less than seven hours' sleep a night and can alter your sleep habits, even just a little bit, it could make you healthier
Charles Daney

Symmetry in Physics, Pt. 2: Discrete Symmetries and Antimatter - US LHC Blog - 0 views

blogs.uslhc.us/?p=2275

symmetry physics

shared by Charles Daney on 03 Oct 09 - Cached
  • Charles Daney on 03 Oct 09
     
    The spacetime symmetries we discussed in the previous post can be expanded to include three discrete symmetries: parity, charge conjugation, and time-reversal. It turns out (rather surprisingly) that physics chooses not to obey these symmetries, and this act of rebellion allowed the universe to develop interesting things like galaxies and life.
Ilmar Tehnas

Ozone layer depletion leveling off - 0 views

www.physorg.com/news172755429.html

ozone atmosphere

shared by Ilmar Tehnas on 23 Sep 09 - Cached
  • Ilmar Tehnas on 23 Sep 09
     
    Ozone depletion may be slowing or starting to reverse, but a much longer data collection period is needed before the trend can be confirmed.
Skeptical Debunker

Long-distance quantum communication gets closer as physicists increase light storage ef... - 0 views

www.physorg.com/news186654076.html

quantum communication advance

shared by Skeptical Debunker on 01 Mar 10 - Cached
  • Skeptical Debunker on 01 Mar 10
     
    "In a new demonstration of reversible light storage, physicists have achieved storage efficiencies of more than a magnitude greater than those offered by previous techniques. The new method could be useful for designing quantum repeaters, which are necessary for achieving long-distance quantum communication."
thinkahol *

Graphene may reveal the grain of space-time - physics-math - 13 May 2011 - New Scientist - 1 views

www.newscientist.com/...al-the-grain-of-spacetime.html

Graphene reveal the grain of space-time - physics-math 13 May 2011 New Scientist

shared by thinkahol * on 16 May 11 - No Cached
  • thinkahol * on 16 May 11
     
    COULD the structure of space and time be sketched out inside a cousin of plain old pencil lead? The atomic grid of graphene may mimic a lattice underlying reality, two physicists have claimed, an idea that could explain the curious spin of the electron. Graphene is an atom-thick layer of carbon in a hexagonal formation. Depending on its position in this grid, an electron can adopt either of two quantum states - a property called pseudospin which is mathematically akin to the intrinsic spin of an electron. Most physicists do not think it is true spin, but Chris Regan at the University of California, Los Angeles, disagrees. He cites work with carbon nanotubes (rolled up sheets of graphene) in the late 1990s, in which electrons were found to be reluctant to bounce back off these obstacles. Regan and his colleague Matthew Mecklenburg say this can be explained if a tricky change in spin is required to reverse direction. Their quantum model of graphene backs that up. The spin arises from the way electrons hop between atoms in graphene's lattice, says Regan. So how about the electron's intrinsic spin? It cannot be a rotation in the ordinary sense, as electrons are point particles with no radius and no innards. Instead, like pseudospin, it might come from a lattice pattern in space-time itself, says Regan. This echoes some attempts to unify quantum mechanics with gravity in which space-time is built out of tiny pieces or fundamental networks (Physical Review Letters, vol 106, p 116803). Sergei Sharapov of the National Academy of Sciences of Ukraine in Kiev says that the work provides an interesting angle on how electrons and other particles acquire spin, but he is doubtful how far the analogy can be pushed. Regan admits that moving from the flatland world of graphene to higher-dimensional space is tricky. "It will be interesting to see if there are other lattices that give emergent spin," he says.
anonymous

Know About Various Alternative Cancer Treatments - 0 views

www.myprgenie.com/...-alternative-cancer-treatments

cancer research stem cell research brain cancer brain tumour scientific research The Trivedi Effect trivedi science

shared by anonymous on 13 Jan 15 - No Cached
  • anonymous on 13 Jan 15
     
    The non-hematological cancers can be cured through surgery, but this is not always safe, so before applying this method, make sure you are getting good treatment. The Trivedi Effect® is capable of killing the cancer cells through healing, promote the viability of healthy cells and reverse the effect of mutation.
Skeptical Debunker

A mini-laboratory for all cases - Research News 03-2010-Topic 5 - Fraunhofer-Gesellschaft - 0 views

www.fraunhofer.de/...mini-laboratory.jsp

mini-laboratory diagnosis disease

shared by Skeptical Debunker on 02 Mar 10 - Cached
  •  »We’ll just have to wait for the results of the laboratory tests.« These words are familiar to many patients. It then usually takes several days for specimens to be sent to the laboratory and analyzed and for the doctor to receive the results. For many illnesses, however, a speedy diagnosis is crucial if the treatment is to be successful. In future, the patient might only have to sit in the waiting room for a few minutes until the results are ready. In a joint project, researchers from seven Fraunhofer institutes have developed a modular platform for in vitro diagnosis which enables various types of bioanalysis – of blood and saliva for example – to be conducted in the doctor’s surgery. »Thanks to its modular design our IVD platform is so flexible that it can be used for all possible bioanalytical tasks,« states Dr. Eva Ehrentreich-Förster from the Fraunhofer Institute for Biomedical Engineering (IBMT) in Potsdam-Golm.The core element of the mini-laboratory is a disposable cartridge made of plastic which can be fitted with various types of sensor. For an analysis the doctor fills the cartridge with reagents – binding agents which indicate the presence of certain substances such as antigens in the specimen material. Various tests or assays are available for different types of analysis. To perform an assay, the doctor only has to place the relevant substances in the cartridge and the test then takes place automatically. »We have optimized the assays so that up to 500 assay reactions can be conducted in parallel in a single analysis step,« explains Dr. Ehrentreich-Förster. Even in the case of complex analyses the doctor obtains a result within about 30 minutes. A new module on the reverse side of the cartridge also makes it possible to analyze the specimen material at DNA level.Once the cartridge has been prepared, the doctor places it in the measurement system. The results can be read out with either optical or electrochemical biosensors. The researchers have installed a readout window for both methods in the measurement system, which features a bypass through which the specimen is pumped.
  • Skeptical Debunker on 02 Mar 10
     
    Many illnesses can be reliably diagnosed through laboratory tests, but these in vitro analyses often use up valuable time. A system developed by Fraunhofer research scientists, which can carry out complex analyses on the spot, will soon be ready for the market.
anonymous

Making More Than Monetary Profit Through Natural Farming Methods - 1 views

The highly mechanized generation that we live in has a far better taste for short-term monetary gains than hard earned ecological and social benefits. A large number of activities are influenced by...

crop production Natural farming organic farming

started by anonymous on 09 Jan 15 no follow-up yet
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