Difference between a virus and bacteria
By: Lucie Shores
Perhaps the most important difference between bacteria and viruses is that most bacteria do good work while viruses are parasites that will kill you if you let them. In both cases dead or weakened types can be used to create vaccines to help prevent illnesses...
By: Alison Bowler
When we have an accident and end up in the emergency room, it is quite possible the doctor will ask for an X-ray to help ascertain the severity of any damage. This is so much less painful than having someone manipulate a limb to find...
By: Asra Arshad
A hyperbaric chamber is a device whose primary objective and usage is to supply a patient with pure oxygen-rich air. Hyperbaric chambers are also designed to generate and maintain a proper environment for human occupancy. There are various factors that are to be considered when...
Do we use only Ten Percent of our Brains or much much more
By: Anthony Megna
It's very true that humans use a small percentage of their brain, and the ten percent figure has been used for a number of years. There is a motherlode of untapped potential in the human brain, and who knows what could be accomplished if all...
By: Wispen Lee
Artificial selection may sound like what you may get at a visit to the plastic surgeons, but it is in reality, a far more serious issue and one that has raised several ethical issues in the modern age.What is selection in the first place...
By: Michelle Wilkinson
There has always been pressure on women to look good, usually requiring them to be slim, to look after their skin, hair and nails, to wear make-up and flattering clothes. However, this pressure has intensified, and it affects both men and women, to the extent...
Cancer: Understanding why scientists have yet to discover a cure
By: Andrew Hitron
It is well established that at its basis cancer is a genetic disease. For a cell to be truly cancerous, it must possess six traits as defined by Hanahan and Weinburg (2000): self-sufficiency in growth factors, insensitivity to anti-growth factors, evasion of apoptosis (controlled cell...
By: Surgical Advocate
First let me say, I am not a surgeon. However, I am a nationally certified surgical first assistant with approximately 30 years of surgical experience and I work directly with a group of Spine specialist in a fast paced outpatient surgical facility. It is pretty...
What's happens inside the surgical suite?
By: Surgical Advocate
Have you ever wondered what happens after you or a family member enters the surgical suite at your local hospital? Who are all of these masked people? Why is it so cold in the OR? From the transporter who comes to pick you or your...
By: Alicia M Prater PhD
Real time polymerase chain reaction, also known as RT-PCR, is a new take on an established genetic research technique. The polymerase chain reaction, PCR, is the amplification of a sequence of DNA using the cell's own system of DNA replication. Geneticists and Medical Researchers use...

 

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