The role of DNA methylation in gene expression
By: Alicia M Prater PhD
Methylation is one type of epigenetic change that can occur to DNA. The enzyme DNA methyltransferase is responsible for DNA methylation. The methyltransferase attaches a methyl group (-CH3) to cytosine, one of four nucleotides in the DNA sequence. The cytosines that become methylated are next...
What it means to be color blind
By: Jonnie Chastain
WHAT IT MEANS TO BE COLOR BLINDFor a small percentage of planet Earth's population the world looks much different than it does for the rest of us. They are the 5% to 8% of men and .05% of women who have Color Vision Deficiency. They...
By: Carol Shaw-Sutton
If Americans think that American celebrities are the most modified, plastic-surgery wise, think again. In Argentina, I've read that the government will pay for any Argentine woman to have plastic surgery done. And just from glancing at many "Telenovelas," it's quite obvious that a...
How vision works
By: Jenna Wroblewski
Looking around, we see so many different shapes and colors. Vision is one of the most important senses out of the known five, we use to obtain information. After some getting used to, we sometimes forget how great a gift sight really is, unless it...
Can radiofrequency (RF) radiation cause cancer?
By: Justin Lee
Even though radiofrequency (RF) radiation is "non-ionizing" (i.e., it cannot eject electrons out of an atom's orbit), excessive exposure to RF radiation can be extremely harmful. For instance, developmental studies on mammals, birds, and non-mammalian species have found that RF radiation at intensities high...
By: Justin Lee
People who are color-blind can't perceive differences between some of the shades of colors that others can distinguish. The most common test for color-blindness involves showing the viewer a circle comprised of dots. In the middle of the circle, dots of a slightly different color...
By: G E Barr
AN AUTOIMMUNE DISORDERWhen Hakaru Hashimoto was 35, he gave up what was beginning to be a very bright academic career to go back home and take over the family practice. Because his family needed him. It was Hakaru Hashimoto who first described the symptoms of...
Is Iridology a Real Science
By: G E Barr
ONLY AS REAL AS CONFIRMEDAt one time, "blood-letting" was considered a form of healing via purification. Of course, we know better now.Iridology or Iris Diagnosis, perhaps is a real science because it is the pursuit of knowledge concerning the signs or symptoms of illness...
Do Humans use only 10 Percent of their Brain
By: Liam Skoda
The misconception that humans use only 10% of our brains has persisted for years without any scientific basis. The brain is easily the least understood of human organs, due to an unfathomable complexity that rivals any object in the known universe. This, combined with the...
The phenomenon of episodic memory
By: Jennifer Blanton
Memory is the term used to refer to the brain's information processing system. This system stores, manages, and retrieves information and consists of sensory memory, short term memory, and long term memory. Long term memory is the part of memory used for permanently storing and...

 

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