What’s a googol, and does it have any relation to that similarly-named website? And what about a googolplex, how many zeros does it have? In this guide, we’ll give you googolplex and googol definitions, show how you can write them out, explain how they’re useful, and give examples on how you can start to understand huge numbers like these.

Everyone knows that scores on the SAT can make or break your college admissions chances, but can they measure your innate cognitive abilities? What do they really say about your potential?

In this article, I'll tell you what SAT scores can and can't measure and provide advice about when you might use them to estimate your own capabilities.

Dogs are cute! Who hasn’t taken a moment to doodle their favorite pooch on the side of their paper before? But like many animals, dogs can be hard to draw well, especially from memory.

If you are trying to up your drawing skill, this guide for how to draw a dog is for you! We’ll cover all the basics of learning to draw animals and dogs in particular, and walk you through drawing a dog step by step.

If you’re interested in studying a field such as biology or computer engineering, knowing how to convert nanometers to meters (or nm to m) will be a vital skill to have.

In this guide, we'll go over exactly what a nanometer is and what it measures. We’ll then give you three methods you can use for converting nm to m. Finally, we’ll provide you with a chart that shows various conversions from nanometers to millimeters, centimeters, decimeters, and more.

Studying for the ACT on your own can be intimidating, especially if you’ve never taken a test like it before. Fortunately, there’s always the option of enrolling in an ACT prep class.

We go over the five best ACT prep courses and explain their biggest pros and cons. Then, we give you four tips for ensuring you get the most out of the ACT prep class you decide to take.

You’ve more than likely seen a rainbow after some rain on a sunny day. But what are the colors of the rainbow in order? And what causes a rainbow to form? We’ll explain everything you need to know about the rainbow color order, including what ROYGBIV means, why rainbows exist, and whether or not the rainbow order will ever change.

Have you seen images of alchemy symbols and want to know more about what they mean? Alchemy element symbols have been around for centuries, and people are often interested in them because they contain some of the mystique the field of alchemy does.

But what do those symbols mean? And how were the elements they represent used by alchemists? In this guide we’ll give a background on alchemy and alchemy symbols, then we’ll cover every major alchemy symbol, including what it stood for, the properties it was associated with, and any interesting facts that go along with the alchemy symbols and meanings.

You know it's a great idea to prep for the SAT or ACT. After all, for the majority of students, it's the most time-efficient way to increase their college admission chances. But with so many ways you can prep for your test, it can be difficult to figure out which method will be the best for you. Obviously, some methods are generally thought to be more effective than others.

Still, every single SAT/ACT prep method out there has certain strengths. For some students tutoring is by far the best, whereas for others self-study is clearly optimal. Ultimately, which one you should choose will depend on your learning style, circumstances, and budget—we can help you figure this out here.

Are you studying commensalism in biology class and looking for a good commensalism definition? Commensalism is one of the trickier types of symbiosis to understand, but we'll break it down for you. Read this article to discover what commensalism is, the different types of commensalism, commensalism examples in nature, and the other types of symbiosis and how they differ from commensalism.

Whether you’re preparing for a geography exam or simply want to learn more about your friendly neighbor to the north, we’ve got you covered. In this guide, we'll answer an important question everyone should know the answer to: what is the capital of Canada? In addition, we'll explain how this place came to be the capital city of Canada and what all the capital cities of the Canadian provinces and territories are currently.

What is a vacuole and what does it do? A vacuole is a structure found in animal, plant, bacteria, protist, and fungi cells. It’s one of the largest organelles found in cells, and it’s shaped like a large sac. Vacuoles have a simple structure: they are surrounded by a thin membrane and filled with fluid and any molecules they take in. They look similar to vesicles, another organelle, because both are membrane-bound sacs, but vacuoles are significantly larger than vesicles and are formed when multiple vesicles fuse together.

When you’re faced with a scientific problem, solving it can seem like an impossible prospect. There are so many possible explanations for everything we see and experience—how can you possibly make sense of them all? Science has a simple answer: the scientific method.

The scientific method is a method of asking and answering questions about the world. These guiding principles give scientists a model to work through when trying to understand the world, but where did that model come from, and how does it work?

In this article, we’ll define the scientific method, discuss its long history, and cover each of the scientific method steps in detail.

Confused about transcendentalism? You’re not alone! Transcendentalism is a movement that many people developed over a long period of time, and as a result, its complexity can make it hard to understand.

That’s where we come in. Read this article to learn a simple but complete transcendentalism definition, key transcendentalist beliefs, an overview of the movement's history, key players, and examples of transcendentalist works. By the end, you’ll have all the information you need to write about or discuss the transcendentalist movement.

Have you ever wondered why your family cooks turkey on Thanksgiving? If you ask, you might get all kinds of reasons: because it’s tradition, because it tastes good, because it’s what the pilgrims ate back in the early days of America. All of those factors—taste, personal history, and world history—lead to one small action of you eating turkey on a holiday.

That’s the premise of sociological imagination. Like imagination in the more typical sense, the sociological imagination asks us to use our brains to think differently about things and consider why we do the things we do.

In this article, we’ll introduce the concept of sociological imagination, its history, how it changed the sociological field, and how you can use it every day to change your way of thinking about the world.

Despite what it might sound like, no—an oxymoron isn’t something you can call your little brother when he’s bugging you. Rather, an oxymoron is a cool literary device you can use in your creative writing.

We’ll go over exactly what an oxymoron is and then show you four oxymoron examples from pop culture and literature. We’ll also provide you with an extensive list of oxymorons so you can get a better feel for what oxymorons look and sound like.