Understanding human reflex mechanisms: Sneezing
By: Omar Salvador
Why do people sneeze? Is sneezing a sign that a person is ill? Why is it so difficult to stop a sneeze? To answer these questions, we first have to understand that sneezing is a means of keeping dust, dirt and other irritants out of...
By: Gene Patterson
Anyone who has read a few books on science fiction will have a vast encyclopedia of knowledge about the potential terrors and incredible benefits that can come from genetic engineering. From simple genetically engineered plants and animals that produce more food and help people to...
Examples of genetic engineering
By: Paul Manalo
Genetic engineering has become popular in the 21st century. Researchers and scientists have made it possible for the human race to witness amazing creations that have only been possible through the use of this technology. Genetic engineering is used to make any living organism change...
By: Can Tran
In today's world, genetic engineering is almost commonplace. There are many things we use and consume that are the result of genetic engineering. We either do not know or do not really care for the most part. But, a lot of things would not have...
By: A. Connelly
Once simply fodder for science fiction works, genetic engineering has become a very real and important aspect of modern science. The process is essentially inserting new genetic material into an existing genome to change the organism's expressed traits. The first successful genetic engineering took place...
By: Matt Bird
Genetic engineering is, at best, a debatable branch of science. For some, it's the wave of the future: a method for perfecting the human genome, discarding flaws from infants before they're even born and ensuring they live longer, healthier lives. For others, it's an abomination:...
Understanding the fundamental mechanisms involved in thirst
By: Omar Salvador
Thirst is generally defined as a sensation of dryness in the mouth and throat associated with a desire for liquids. Yet many of us have very little knowledge of the fundamental mechanisms involved in thirst. Because if we do have a thorough understanding of what...
Types and levels of brain injury
By: Pauline Abreu
A brain injury can be caused by many different incidents. Depending on the severity of the trauma to the brain it could be fatal to a person. A blow to the head, penetration, or another situation that causes the brain to impact against the skull...
Will 'hobbit' tooth yield ancient DNA?
By: Aisling Ashbery
In 2004 the scientific community was in an uproar over a tiny skeleton discovered on the island of Flores. The skeleton, which was dubbed a “hobbit” as a sort of endearing nickname, was thought to be around 18,000 years old. This year, scientists...
By: Terrence Aym
Researchers have searched for centuries for an effective way to end the maddening, continuous ringing in the ears that some people suffer. Most of the so-called cures to treat the condition known as tinnitus were quack treatments, bizarre devices, or ineffective regimens.The affliction can...

 

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