Do Humans use only 10 Percent of their Brain
By: L Hurley
Yes, humans only use 10 percent of their brain and this is blatantly obvious to anyone who takes the time to look around them. While it has been proven that all areas of the brain are active do we really consider this use? Does a...
Have Breakthroughs in Dna Research Led to more Harm than Good
By: Paula Testerman
My reasons for writing to this side of the debate are personal and professional, but mostly personal. I believe that, without DNA research, there wouldn't be the capabilities seen today in the medical and criminal justice worlds. These are two areas out of many in...
By: J L Petriesan
Imagine sitting in a doctors office and designing, up front, exactly what your kid will be like. Like picking out options for a new car. Lessee, I don't like my chin. so let's make sure she gets, oh, I don;t know, Madonna's. Sure she...
Why people sleep
By: Janette Peel
Sleep is vital to our well-being, ensuring that we remain as healthy and alert as possible, mentally as well as physically.A good night's sleep will usually restore and refresh you, but the precise reason for sleeping still remains a mystery even thought there are...
The functions of red blood cells
By: Tarek Musslimani
The blood of humanbeings constitute of two components: Blood plasma and cellular component. The blood plasma is a liquid component composed primarily of water ( 90%) and it includes also other components such as proteins and ions or electrolytes. The blood plasma proteins are synthesized...
By: David Dawes
Many issues are raised when arguing about genetic engineering, so let me be clear about what I'm referring to:Genetic engineering is the direct manipulation of the genetic contents (the DNA) of cells, referred top as genetic modification or GM. Hopefully this is being done with...
Heart defects in children
By: Erich Rosenberger M.D.
Approximately one out of every 125 infants born, will be born with some degree of structural problem with their heart. There are many types of heart defects found in children. Some of them are far more common than others. In addition, the severity of the...
By: PasadenaDave
Many years ago, there was a fellow in the San Diego area who invented a super-microscope which, it was claimed, visualize living virus cells. He also had built a "Ray Tube" device which could destroy the bacteria and virus cells he saw under this microscope...
The biology of the menstrual cycle
By: Eleanor Neal
The Biology of the Menstrual Cycle.Approximately once a month, reproductively mature females menstruate. For many this results in unpleasant emotional and physical surges, and increased expenditure on chocolate. The first instance of this decades long cycle is referred to as menarche, and generally it...
By: Gary Mei
Cloning is a highly controversial topic these days. Many scientists consider cloning a vital step in the advancement of medicine. And then there are many others that are opposed to cloning because of the moral ramifications.The real reason that cloning is explored is because...

 

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