Showing posts with label science. Show all posts
Showing posts with label science. Show all posts

All About Vasectomy reversal

A vasectomy is an procedure to cut and seal the tubings that conduct sperm from your testicles to your penis. Vasectomy is a lasting form of contraceptive method and implies that a man who undergo this surgery is no longer able to have kids.

A few adult males come to sorrow their conclusion to have a vasectomy and want it reversed.

Vasectomy reversal is more fortunate if it is done shortly after the original vasectomy. The more the time between the vasectomy and a reversal operation, the less likely you'll be able to father a child. The success rate declines along with time.

It is crucial to realize that winner is not ensured. Fertility is back in 8 out of 10 men who experience a vasectomy reversal. Nevertheless, 1/2 of men can make their partner with child in the two years after the operation. The presence of sperm in your seminal fluid does not assure that your partner will get pregnant. The agents that can affect your fortunes of a hopeful reversal are many.

The most important factor is the time since you had vasectomy procedure. The type of vasectomym and the technique used to do the reversal are pretty important as well.


NASA: 30-year-old Black Hole near outer space

Astronomers have discovered the youngest black hole that exists in our neighborhood space. This 30 years old black hole provides an unique opportunity to see this kind of celestial body and its development from an early age. According to the communique posted on the NASA site, the discovery was made at the Chandra Observatory.


This is one of the youngest black holes ever observed. Astronomers' knowledge about the universe is based almost entirely on electromagnetic radiation detected by telescopes.

This black hole could help scientists better understand how massive stars explode, how they create black holes or neutron stars, or how many such bodies exist in our galaxy.

The black hole is a remnant of the supernova SN 1979C and is located in the galaxy M100, about 50 million light years from Earth.

This finding is extremely important because it gives the scientific community the opportunity to gather information that can validate or on the contrary, invalidate existing theoretical models available at this moment.

Men of science discourage Body Scanners dute to cancer risks

Dr Michael Love said that the risk to get skin cancer is minimal, but statistically someone will get it. "No exposure to X-ray is considered beneficial. We know X-rays are hazardous but we have a situation at the airports where people are so eager to fly that they will risk their lives in this manner," he said.

The potential wellness risks posed by the scanners add to passengers and airline crews' interests about the devices, which have been nicknamed "naked" scanners because of the vivid image they give of a individual's body, privates and all. Biochemist John Sedat and his workfellows alleged in one open letter that most of the energy from these scanners is deported to the skin and underlying tissue. Approximately 315 "naked" scanners are presently used at 65 US airports, concording to the TSA.

Robotic Technologies are no longer a thing of the future


We still live in an era of modern information technology where some people just can't get it right. For the religious right, it often seems that scientists think too far into the depths of the human genome, we dive and people are not more people and, therefore, stem cells, genetic mutations and are therefore unacceptable. Other people are intrigued by the fact that anyone can be found everywhere on the globe with mobile phones, and they believe that the tracking technology is too far and they want to move to the North Pole.

Scientists have one ultimate goal: to strength the world of science. They believe that everything they do is for the welfare of mankind, maybe forgetting that it is not always the case. Unlike natural scientists who are religious and others just a single scientist who has just a reverse position, even the most insensitive forewarning tech group of scientists seem to be worried. What is it? AI. Artificial intelligence.

Robots making robots, robots learning , which enables them to discover the motor skills and self-expression and so one. There is only one step from this Artificial Intelligence to self-aware. Imagine a robot that is more intelligent, more capable physically, and certainly more sustainable than a man. How will this affect the jobs all over the world? Statiticians will just cease to exist? What about the Economists or Cooks? A question should rise in anyone head right about now. If any part of our society can be replaced by a robot, what's the reason for mankind to still be here? We'll just sit around and eat all day? I understand why some people are terrified by this thought. And what about the social consequences? Can AI Robots own a house? Can AI Robots get married? I don't really know, but I sure don't want to find out the answer.

Now, let's talk about our security. Robots will control our home security, our internet security and so on. What if one day that robot gets broke. What will happen to us? If your computer is protected, you will not be attacked through telecommunications vulnerability. But what happens when the computer itself is attacking you?

Scientists make brain tissue from stem cells


Japanese researchers have succeeded in creating a cerebral cortex, the part of the brain involved in thinking and motion, from embryonic stem cells, providing hope for future treatment of brain-related diseases., thus boosting the possibility of future treatment of brain-related diseases.

Yoshiki Sasai and Mototsugu Eiraku, of the government-backed Riken Centre for Developmental Biology in Kobe, Japan have managed to create the part of the brain involved in thinking and motion using stem cells, which have the ability to change into other types of cells. This is the first time researchers have been able to create brain tissue from other types of cells, reports The Mainichi Daily News.

 

"In regenerative therapy, only a limited number of diseases can be cured with simple cell transplants. Transplanting tissues could raise hopes for greater functional recovery," the institute said in official statement.

"Cultivated tissues are still insufficient and too small to be used to treat stroke patients. But study of in-vitro cultivation of more mature cortex tissues, such as those with six zones like in the adult human brain, will be stepped up," it said.

Findings from the research were published in the online edition of the U.S. journal Cell Stem Cell on Thursday.
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