Posts tagged: science

Stem Cell Research: Justifications and Criticisms

Among the controversial questions being asked from politicians during their campaigns is their stance concerning stem cell research. How must the government address this issue? Should medical research on stem cells be regulated by the government or should legislation be formulated to address its varied moral implications?

What do average Americans really know about stem cell research and its impact on their lives and future? The stem cell controversy has similarities to the pro-life and pro-choice issues. Some people fully support stem cell research because they believe it will lead to the saving of millions of lives. On the other hand, it is highly criticized by people who see it as a form of murder of children.

In the first place, where do the embryos used in stem cell research come from? Most of these embryos are left-over embryos from infertility clinics. The couples who sought help from these clinics donate these left-over embryos to research. If not donated, these embryos may be preserved, adopted by another couple, or destroyed.

The embryos left-over from infertility treatments are frozen a few days after they are conceived. They do not have the capacity to live on their own in this very premature form. Legally, they are not considered alive either as they are not yet breathing. The question is who decides the fate of these embryos?

The embryos are the building blocks of people, yet, they have no rights themselves. Whom do they belong to? Who is responsible for ensuring they are taken care of? Many consider the embryos being used in research as the same category as murder. Is it actually murder when the child is never born, and is only conceived in a test tube? Who should really make the decision about how these embryos should be handled?

The research value of embryos comes from the fact that this stage is a rich source of stem cells, which have the potential for curing varied diseases and medical conditions. Is it morally acceptable to use these stem cells for generating body parts and organs to help people with specific illnesses?

The current administration has tried to place a ban on this research and block the use of the embryos. This has upset many supporters who feel this research is vital to the survival of the human race, while those who digress the ideas are upset that is has not been banned fully yet. Where is the better side to stand? Should we allow the government to meddle into the scientific aspects of medicine, or should we continue the research to save thousands, or millions of lives?

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An Introduction To Unidentified Flying Objects

UFO’s are physical but mysterious phenomena attributed to intelligent beings from other planets. The study of UFO’s is called Ufology and those who conduct related research, Ufologists. Phenomena associated with psychic or spiritual realms are not part of ufology.

The data analyzed in ufology comes from pictures, video footage and witness testimony. For this reason it is an observational and not experimental field, like astronomy. Unlike astronomy, however, it is not an official scientific field that one can work towards a degree in from a university.

UFO anomalies typically fall into four main categories:

1) Flying objects exhibiting flight signatures impossible by man-made airborne vehicles, such as abrupt levitation or right-angle turns.

2) Inorganic and organic material that falls from the sky such as “angel hair”.

3) Abductions of people, mutilations of domestic animals, disappearances of ships or airplanes.

4) Evidence of advanced technology in prerecorded history such as megalithic monuments, pictures of planes and helicopters, and levitation.

Skeptics attempt to provide conventional explanations for all these phenomena.

There are reports of UFO’s from as far back as 1500 B.C. Reliable people have been recording these phenomena throughout history. In modern times, thousands of people have sworn under oath about having seen mysterious flying machines in the sky.

A large percentage of the witnesses are intelligent professionals who have nothing to gain by reporting UFO sightings while there is much to risk including job, social life and sanity. Scoffers of UFO’s are likely wrong. Some qualified scientists have conceded that there is something to the reports. Even retired astronauts have come forward and confessesed sightings of their own while in space.

Conservative scientists believe that the non-existence of UFO’s is supported by more arguments than their existence. Most have not taken the time to study the phenomenon out of a decision that no extraterrestrial occupants can survive light years of space travel. The core assumption is that space is three-dimensional and that it has to be trasversed. You are encouraged to do more research.

Michael Torc is a DSP programmer, a member of Mensa and a reader of UFO books. To view a huge selection of ufo videos at random, visit UfoVideosTv.com.

Why You Should Enjoy Documentaries On The Net Totally Free Of Charge

What if there was a way that allowed you to see your favourite documentary films online for free? Watching these documentary movies online means that you can spend less cash and less of your precious time at the documentary store, and watching documentary films online can keep you up to date with the latest happenings and occurrences throughout the globe, as well as keeping on top of your favoriteissues. These documentary films on the net can be chosen and viewed twenty four hours a day, at your own convenience, ensuring that you can view documentary films on the web for free, very easily.

The first step to seeing documentary film on the web is to make use of the sites that are available. Using these sites, you can search for documentary films and watch TV shows on the web while also comparing the various feeds that are available for the streaming movies. This way, you can use the feedback that has been written by other viewers on the net to determine which feed is going to provide the greatest watching experience.

What should you consider when viewing documentary films on the web? First, you should search for the name of the documentary movies that are being watched. Next, it is important to ensure that you are hunting for the correct title. Using the information regarding the production date of the films, the actors in the videos and even the topic of the documentary that is being watched, you can find the films that you are searching for and use the information to watch the documentaries on the net.

Using the web, you can find films that can be viewed online for free. You can learn more about the world around you and even find documentaries that have been just released, through the streaming video technology that can provide you with hours on end of films and documentaries to see.

These on the net directories are full of documentaries that can be watched and can allow you to search for practically any genre or title of video.

Documentaries

The Five Golden Rules Of Brain Training

Golden rules are quite special rules that one should always keep in mind and never forget. These are extremely important and useful guideposts to help you keep on track and headed in the proper direction. Golden Rules exist to get used, to be followed, and to guide you. No matter what your primary goal is or what challenge you face, the rule will be there. Just look for the Golden Rule that applies and follow it.

Listed here are my 5 best Golden Rules to effective brain training.

Golden Rule # 1, Targeting. An effective training task must be carefully targeted to train brain functions that will lead to the maximum benefit for the user in daily life. Some exercises will lead to improvements on the specific tasks trained. Highly effective brain training will be characterized not just by improvements on the tasks themselves, but also on transfer of that improvement to performance of real world tasks. Remember, no training task will improve all aspects of cognition. Targeting the specific aspects of brain functions will lead to the maximum benefit for the user in daily life.

Golden Rule # 2, Adaptivity. This is very important because the response to challenge is a central component of how the nervous system operates, and shaping the response properties of the system progressively and adaptively is a part of all effective learning processes. You’ll want to bear in mind that an effective brain training exercise should adaptively challenge the user, without discouraging him.

Golden Rule # 3, Novelty. In order for the brain to be exercised effectively, it must be confronted with novel tasks and challenges. Many of the kinds of challenges that are typically recommended for brain health are highly over-learned tasks that do not force the brain’s processing systems to operate in new ways. Working in new ways that are not over-learned is critical for driving nervous system remodeling. The brain creates specialized circuitry for doing particular tasks. Tasks that have been performed many times in the past simply reactivate the existing circuitry. This form of stimulation may be helpful in keeping the brain active, but it will not drive fundamental improvements in the way information is processed.

Golden Rule # 4, Engagement. Engagement and reward are critical components of making brain games effective and encouraging people to do them. When the brain is in an engaged and rewarded state, it is much more open to learning and change. If you are rewarded for your hard work, for example by receiving praise from colleagues, friends, or family, you will be more likely to work hard in the future. This basic premise holds for both physical and mental exercise, as well.

Golden Rule # 5, Completeness. The brain is a highly complex, interacting, and integrated system. Training on a limited aspect of brain function, such as visual attention, auditory processing, or working memory, in isolation is unlikely to yield optimal results for real world function. Engaging in the tasks of daily living requires the proper functioning of all aspect of cognition.

Have confidence and rely on these Golden Rules to effective brain training. They’ve been time-tested and also have been proved to be true. Follow them carefully and your own ultimate success will likely be assured plus your satisfaction greater.

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Green Tea - A Truly Useful Beverage For Daily Consumption

The green tea is known to be extremely beneficial for human body and it has been used since centuries both for medicinal and general benefits. But, this is an important question that how much green tea should be daily consumed?

In the following few paragraphs you will find the answer of this question. First of all, let us have a brief overview of the green tea history and advantages of its use.

The minimum consumption of the green tea should be almost two cups on daily basis. If you are unable to take two cups then at least take one cup daily. Green tea is very good for your health and general well being. It has the property to repair the body and remove the toxins in the body that can cause disease.

You should be aware about the toxins that re added to your body by simply walking and breathing. When you sweat the toxins are added by your skin.

The toxins affect you body badly and you are unable to do any task with the peak energy level and dedication. The green tea can remove the toxins and boost your performance to its peak level again.

After having a green tea cup, it will start its functioning very soon .It will identify and remove the bad chemicals and toxins from your body leaving you pure and healthy. You will be very active and ready to work again. The green tea has been extensively used in China as it repairs the body and makes you more healthy and strong.

Green tea is very beneficial in cancer and it helps to kill the cancer cells in the body and stops the spreading of the disease in the body.

It is still unknown that how the green tea removes the un-wanted cells and chemicals from the body and repairs the damaged cells. But, this is a great advantage of using the green tea in our daily diet.

Besides wellness, this writer also regularly gives advice about bad breath mouthwash and dry mouth products.

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