The bones of the ankle and foot form the most distal region of the lower limb in the appendicular skeleton. These bones are responsible for the propulsion, balance, and support of the body’s weight through many diverse activities, such as standing, walking, running, and jumping. The ankle joint is formed by the union of the lower leg bones – the tibia...
Medical fundraising is the same as other fundraising campaigns – only the objective is to benefit all, and not just a specific group. Here are 10 effective ...
In these days of cancer, AIDS, and other lethal diseases, it is necessary for you to think about a medical fund. Many peoples, who have relatives or members from their own family, eventually fails to properly treat them due to poor money in their hand. Medical fundraising campaign is a way by which you could overcome enormous bills that usually a Hospital or Clinic charge.
Your body — not just a temple, but a laboratory too The Japan Times It is usually treated as a body part that lost its function millions of years ago. All it seems to do is occasionally get infected and cause appendicitis.
Abstract Introduction The purpose of this study was to characterize brain volumetric differences in HIV seropositive and seronegative men and to determine effects of age, cardiovascular risk, and HIV infection on structural integrity.
For decades, cloning remained within the realms of science fiction. The idea that instead of combining a sperm and an egg, a new human could be made from a single cell taken from an adult, seemed completely absurd. But that all changed in February 1997, when the Roslin Institute introduced the world to Dolly the sheep - the first animal cloned from an adult. Ever since Dolly, scientists have been continuing to experiment with cloning animals. So far, they have succeeded in cloning sheep, cattle, pigs, goats and mice, fuelling the belief that humans could be next.
But even Dolly's creator, Professor Ian Wilmut, is concerned that beneath the veneer of success lies a disturbing reality. Most cloning attempts on animals so far have resulted in failed implantation or abnormal foetuses. Of the animals born alive, some soon die of catastrophic organ failure. Others appear to be healthy for weeks or even months, then die suddenly, sometimes from bizarre new illnesses which do not occur in nature.
Years of painstaking work are only now revealing some vital clues to what is going wrong. Horizon talks to the scientists who have uncovered new evidence, suggesting that the process of cloning itself causes subtle errors in the way genes function. These random errors may be like a timebomb inside every clone, causing some of the strange - often fatal - problems. There's no reason to think cloned human babies would fare any better. According to embryologist Dr Susan Avery, death might be the best outcome for many human clones. If they survived, they would suffer from catastrophic illnesses that modern medicine is powerless to prevent or cure.
Dr. Zavos claims that these problems are the result of the still unsophisticated methods being used by animal researchers. Using advanced in vitro fertilisation ('test tube baby') techniques, he claims that he will strive to make human cloning safer than natural reproduction. Now though, it seems that some IVF procedures themselves are being investigated for possible harmful effects on the long term health of children. Professor Gerald Schatten of the University of Pittsburgh reveals evidence of these risks, which could be magnified in cloning.
Most reproductive specialists believe that the danger to any human born by cloning is enormous. But the would-be human cloners are determined to clone a human baby. If they proceed, they may be courting tragedy.
Neuroscientists at Howard Hughes Medical Institute have mapped the activity of nearly all the neurons in a vertebrate brain at cellular resolution, with signficant implications for neuroscience research and projects like the proposed Brain Activity Map (BAM).
Fast volumetric imaging of the larval zebrafish brain with light-sheet microscopy (credit: Misha B Ahrens, Philipp J Keller/Nature Methods)
The researchers used high-speed light sheet microscopy to image the activity of 80% of the neurons in the brain (which is composed of ~100,000 neurons) of a fish larva at 0.8 Hz (an image every 1.3 seconds), with single-cell resolution.
This represents the first technology that achieves whole brain imaging of a vertebrate brain at cellular resolution with speeds that approximate neural activity patterns and behavior, as Nature Methodsmethagora blog noted.
The authors saw correlated activity patterns at the cellular level that spanned large areas of the brain — pointing to the existence of broadly distributed functional circuits.
The next steps will be to determine the causal role that these circuits play in behavior — something that will require improvements in the methods for 3D optogenetics, the blog said. Obtaining the detailed anatomical map of these circuits will also be key to understand the brain’s organization at its deepest level.
It may come as a surprise to the layman that after having built a massive sci-tech industry around our knowledge of the DNA, the molecular stuff of life, biochemists would, in 2012, be saying they have just photographed the molecule for the first...
t’s been fashionable in military circles to talk about cyberspace as a “fifth domain” for warfare, along with land, space, air and sea. But there’s a sixth and arguably more important warfighting domain emerging: the human brain.
This new battlespace is not just about influencing hearts and minds with people seeking information. It’s about involuntarily penetrating, shaping, and coercing the mind in the ultimate realization of Clausewitz’s definition of war: compelling an adversary to submit to one’s will. And the most powerful tool in this war is brain-computer interface (BCI) technologies, which connect the human brain to devices.
Current BCI work ranges from researchers compiling and interfacing neural data such as in the Human Conectome Project to work by scientists hardening the human brain against rubber hose cryptanalysis to technologists connecting the brain to robotic systems. While these groups are streamlining the BCI for either security or humanitarian purposes, the reality is that misapplication of such research and technology has significant implications for the future of warfare.
Where BCIs can provide opportunities for injured or disabled soldiers to remain on active duty post-injury, enable paralyzed individuals to use their brain to type, or allow amputees to feel using bionic limbs, they can also be exploited if hacked. BCIs can be used to manipulate … or kill.
REGENERATING THE CENTRAL NERVOUS SYSTEM. In DISEASE INFO on October 17, 2011 at 12:37 pm. First off, the sense of smell is neurological AND constantly regenerating after every cold, inhalation of smoke, etc.
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