A colonoscopy is a medical procedure. A doctor inserts a camera mounted on long, flexible tube called a colonoscope into your rectum and colon. Colonoscopies are done to prevent, treat, and monitor diseases of your large intestine, such as colorectal cancer. Your colonoscopy will likely be done...
Iron, vitamin B-12 and folate are essential in the production of RBCs. Red blood cells (RBCs) are by far the most abundant cells in the blood. RBCs give blood its characteristic red color. In men, there are an average of 5,200,000 RBCs per cubic millimeter (microliter), and in ...
They contain iron oxide and other metals in a ceramic composite. A ceramic magnet known as lodestone, or magnetite, was the first magnetic material discovered and occurs naturally. Even though the ceramic magnet has been around for so long, they weren't commercially produced until 1952. Although...
We are certainly a long way from impenetrable armor; but in 50 years, advanced armor will give police officers a much greater level of protection when they're walking the beat. Most likely, we will also see an increase in civilian body armor in the years ahead. There is an ever-growing...
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1. We invited food and nutrition specialists to take part in a survey via an online interface that we developed. The survey set-up was as follows: the individuals taking the survey (hereafter, evaluators) were given a description of the NOVA classification system and its food assignment ...
Photo: Disposable batteries like this one are really convenient, but they can be expensive in the long haul and they're bad for the environment. A better option is to use rechargeable batteries. They cost more to begin with, but you can charge them hundreds of times—so they save an abso...
As long as there have been governments to rebel against, there have been violent attempts to repress the rebels. Military dictatorships often prove useful examples of this. Augusto Pinochet's rule in Chile, for example, was marked by the repression of leftist politics. Allegations of human ...
For a dramatic look, try photographing glass on a black background. Use two light sources to add depth and reveal texture. A long focal length can also make shooting easier by minimizing reflections and compressing the background. Want to add some excitement to your glass photos? Try capturing...
whereas a long-dated option tends to result in high implied volatility. The difference lays in the amount of time left before the expiration of the contract. Since there is a lengthier time, the price has an extended period to move into a favorable price level in comparison to thestrike pri...