Science

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Anatomic Positions

Whenever you see an anatomical drawing, like the one below, you’re looking at the anatomic position. This standard position (standing straight, looking forward, arms at your side, and facing forward) keeps [more…]

Anatomic Planes

When you’re talking anatomy and physiology, the body is divided into sections, usually three planes. Separating the body into sections, or cuts, let’s you know which body half is being explained. The anatomic [more…]

Anatomy & Physiology Workbook For Dummies Cheat Sheet

To successfully studying anatomy and physiology, you'll want to understand all the Latin and Greek roots, prefixes and suffixes. Also study anatomic cavities, anatomic positions [more…]

How to Stock a Forensics Toolbox

Crime scene investigators and forensics specialists are called to all types of crime scenes and at all hours. If you’re an investigator, you need certain tools and equipment to perform your duties, and [more…]

Forensic Duties of a Medical Examiner

In the case of murder, the medical examiner (ME) may be the person who puts forensics to its purest use. An ME uses science to determine the cause, mechanism, and manner of death to help the investigation [more…]

How to Approach a Crime Scene to Protect Forensic Evidence

Forensics, which is basically the practice of applying science to crime, dictates that certain procedures be followed at the scene of a crime. The first officer to arrive at a crime scene must take certain [more…]

Forensics For Dummies Cheat Sheet

Using science to help solve crime is what forensics is all about. Science and safety rule everything from how a law enforcement officer approaches a crime scene to what to put into a forensic toolbox. [more…]

How to Find Higher Math Functions on the TI-89 Graphing Calculator

Of course, your TI-89 graphing calculator helps you with higher math functions — that’s part of the reason you bought it. However, you might need help finding everything. The following list doesn’t tell [more…]

How to Format Equations on the TI-89 Graphing Calculator

Your TI-89 graphing calculator can help you solve equations and systems of equations. All you have to do is put them in the proper format. Fortunately, the following list shows how to format equations [more…]

Special Keys on the TI-89 Graphing Calculator

The TI-89 graphing calculator has so many functions, you may have trouble locating them all. But if you’re looking for theta or infinity (and who isn’t, right?), look no further than the following list [more…]

Basic Keystrokes on the TI-92 and Voyage 200 Graphing Calculators

The TI-89, TI-92, and Voyage 200 calculators have similar functions, but in the case of the TI-92 and Voyage 200, different ways of accessing them. The following list shows how to access some basic functions [more…]

How to Access Symbols on the TI-89 Graphing Calculator

Of course your calculator needs a not-equal-to sign, but the TI-89 graphing calculator also offers the @, an exclamation mark, and a sigma. The following list shows you how to produce these symbols and [more…]

Accessing Odd Functions on the TI-89 Graphing Calculator

The TI-89 graphing calculator has all kinds of special functions. It can, of course, give you the mathematically certain answer you need, but it can also offer an approximation. You can tell it to stop [more…]

Bioinformatics Data Formats

When you're using the Internet to help with your bioinformatics project, you come across data in all sorts of different formats. The following table can help you understand common bioinformatics formats [more…]

Where to Find Bioinformatics Data

Bioinformatics combines information technology and molecular biology, so it makes sense that the Internet is the main arena for pursuing bioinformatics information. The following list offers links to helpful [more…]

Bioinformatics Web Sites for Analyzing DNA/RNA Sequences

The bioinformatics Web sites in the following list offer help in analyzing DNA and RNA sequences. And, in the marriage of information technology and molecular biology that is bioinformatics, this type [more…]

Bioinformatics Web Sites for Analyzing Protein Sequences

With bioinformatics you can explore molecular biology using information technology. The links to the Web sites in the following list focus on protein sequences. Some offer searchable databases, others [more…]

Bioinformatics For Dummies Cheat Sheet

Bioinformatics is the marriage of molecular biology and information technology. Web sites direct you to basic bioinformatics data and get down to specifics in helping you analyze DNA/RNA and protein sequences [more…]

The Basic Elements of String Theory

Five key ideas are at the heart of string theory. Become familiar with these key elements of string theory right off the bat. Read on for the very basics of these five ideas of string theory in the sections [more…]

What String Theory Attempts to Accomplish

To many, the goal of string theory is to be a “theory of everything” — that is, to be the single physical theory that, at the most fundamental level, describes all of physical reality. If successful, string [more…]

The Successes of String Theory

String theory has gone through many transformations since its origins in 1968 when it was hoped to be a model of certain types of particle collisions. It initially failed at that goal, but in the 40 years [more…]

Considering String Theory’s Setbacks

Because string theory has made so few specific predictions, it’s hard to disprove it, but the theory has fallen short of some of the hype about how it will be a fundamental theory to explain all the physics [more…]

Einstein's Special Relativity

In 1905, Albert Einstein published the theory of special relativity, which explains how to interpret motion between different inertial frames of reference [more…]

Common Functional Groups in Organic Chemistry

In organic chemistry, functional groups (or reactive centers) are small structural units within molecules that dictate how most of the compound's chemical reactions occur. Know these common functional [more…]

Periodic Table of Elements

If you’re studying organic chemistry, the periodic table is an important tool. The elements and their atomic numbers are listed and grouped together by their properties — making it easier to remember without [more…]

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