books to read for 20 year olds


How to Read Down Syndrome Markers on an Ultrasound During Pregnancy

Down syndrome markers are indications, on an ultrasound, that a fetus may have down syndrome. Down syndrome markers found on ultrasounds are controversial, because the markers may occur in fetuses without down syndrome. The markers are not always reliable. Common markers used to identify down syndrome include echogenic bowel, echogenic intracardiac focus, dilation of the […]



How to Write Critical Reviews of Journal Articles

Writing a critical review of an article published in a scholarly journal is a common assignment for students enrolled in a higher education course. While many students equate the word “critical” with “negative,” this is not necessarily the case; it simply means the review should be objective and examine both the negative and positive aspects […]



How to Reset a Kindle

When an error occurs on your Amazon Kindle e-reader or Kindle Fire tablet, there are multiple ways to fix it, depending on the problem. A soft reset turns the Kindle off and on again, and may solve minor issues. A hard reset restarts the Kindle if it’s unresponsive. A factory reset may remedy more serious […]



How to Read a CSV File Into Java

CSV, or Comma Separated Value, files are commonly used as a universal format for exchanging simple data, especially between spreadsheet applications. The format is simple. Take a table of data and place the name of each column on the first line, with each name separated from the others by a comma. Then, go through the […]



How Do I Read My Eye Exam Results?

It’s easy to be confused after an eye exam when your doctor hands you a prescription. It might contain words with which you are unfamiliar, or abbreviations and numbers that don’t make sense to you. The results listed on this prescription are nothing to worry about—your eye doctor is simply leaving detailed instructions about your […]



How to Learn to Speak English at Home

To learn to speak English at home, the non-native speaker must do three things: listen to English, read English and speak English. This can be accomplished with tools available in your home. Books, television, radio and the Internet provide virtually endless opportunities to listen to, read and speak English. Immerse yourself in the language at […]



How to Read a Mechanical Blueprint

Blueprints are a set of schematic drawings of a project that contractors will use to install, maintain or troubleshoot a structure. Mechanical blueprints illustrate the characteristics and features of the intended product in explicit detail. These drawings render the subject from a number of different perspectives and levels of depth. For example, a mechanical blueprint […]



How to Read a Thermocouple With a Voltmeter

A thermocouple is a small electrical device that is basically the junction of two wires that are composed of different metals. Because different metals react differently to temperature, an electric potential develops at the juncture. This electrical potential varies with temperature, and therefore the temperature can be calculated when the voltage is known. A voltmeter […]



How to Read Basic Music Notes

A sheet of music may look like mysterious lines, dots and squiggles to the uninitiated. However, learning to read music is no different from learning to read another language. The notes themselves communicate pitch and rhythm, while other notations on the page give directions for expression and intensity. To learn to read music, begin with […]



How to Read Music on Viola Clef

Many people know how to read music in treble clef (G clef) and bass clef (F clef). Yet many people are unfamiliar with Viola Clef (or C Clef). Viola (pronounced Vee-ola) is the middle instrument of the Violin family. The viola looks like a violin. It is bigger than a violin, but smaller than a […]



How to Get Ebooks for the Ematic Ebook Reader

The Ematic Ebook Reader allows users to view text files. This portable device reads a large variety of ebook formats but won’t read AZW, which is designed for the Amazon Kindle, OPF, LIT, DNL, PKG and a few other formats. There are several sources that offer ebooks that are in a compatible format. Once you […]



How to Read a Dial Bore Gauge

Dial bore gauges are typically used by machinists to measure the inner diameter of bores in motor engines. Tresna Instruments says the cost associated with bore gauges means they are often found only in the hands of professionals. If you can afford one, the speed and accuracy of a dial bore gauge can save a […]



How to Read Laboratory Blood Results

CBC. BMP. These are names of common blood tests your doctor may order. In fact, two of the most common blood tests are a Complete Blood Count (CBC) and Basic Metabolic Panel (BMP) according to the U.S. Department of Health and Human Services. Tests like these reflect your general health and give doctors a place […]



What Is a Normal Pulse Oximetry Reading?

A pulse oximeter is a medical device that indirectly measures levels of hypoxia. The device senses levels of oxygen saturation in arterial blood using spectral analysis, along with pulse rate. Generally, oximeters are accurate in measuring oxygen saturation between 70 and 100 percent. Significance A pulse oximeter is a medical device that measures levels of […]



How to Work From Home as a Professional Tarot Card Reader

In this day and age of computer technology, the demand to work from home is stronger than ever. With that strong demand, however, comes a bombardment of illegal scams and ripoffs. In this article I will demonstrate legal ways in which you can successfully become a Professional Tarot Card Reader from Home. The first thing […]



How to Read T-Scores

A T-score measures deviations from normal. When used to check for osteoporosis, your T-score compares your bone density to that of other adults. Your T-score determines your degree of bone loss and helps you predict your risk for bone fracture. Knowing your risk allows you to weigh different options for increasing bone density, such as […]