What's new:
Why Was Josephine Important to Napoleon’s Rule?
The Empress Josephine was an active contributor to Napoleon’s success. Find out why in this article. (Article, 5 min.)
Why Did Josephine Cheat on Napoleon?
The romance between Napoleon and Josephine is one of the most famous in history. Why did it fail? (Article,
Why Did Josephine Marry Napoleon?
Josephine was more famous than Napoleon at the time of their marriage. Why did she decide to marry him? (Article, 5 min)
The Federal Reserve, Interest Rates, and the Stock Market
Why does the stock market sometimes go up even when there are problems with the economy? We dig into the reasons in this article. (Article, 5 min)
Alternatives to Pivot Tables
Pivot Tables are the best…until they’re not! We show you the alternatives in this installment of our Excel series. (Article, 10 min)
The Tiwanaku Empire and its mysterious collapse
The Tiwanaku Empire ruled near Lake Titicaca before the Incan Empire. What happened to their civilization? (Article, 5 min)
Interesting English word origins (with examples)
In this article, we explore why English doesn’t use plain language very often (Article, 5 min).
Where Does the Time Value of Money Come From?
The time value of money is an important, but often misunderstood concept in Finance. Here’s a simple explanation. (Article, 8 minutes)
The French Revolution and the Birth of Modern Nationalism
Marchons! Our guest writer, Liam McGraw, explains the origins of the modern idea of nationalism. (Article, 6 min)
Interesting English word origins (with examples)
In this article, we explore why English doesn’t use plain language very often (Article, 5 min).
The Tiwanaku Empire and its mysterious collapse
The Tiwanaku Empire ruled near Lake Titicaca before the Incan Empire. What happened to their civilization? (Article, 5 min)
The French Revolution and the Birth of Modern Nationalism
Marchons! Our guest writer, Liam McGraw, explains the origins of the modern idea of nationalism. (Article, 6 min)
Why is Netflix in trouble?
Netflix lost subscribers and its stock is falling. Is Netflix in trouble? We explore the company’s problems in this article. (Article, 5 mins)
Things to Do in Perugia
Perugia is is the capital city of Umbria in Italy. Here, we provide a list of our favorite things to do in Perugia.
How to Practice Stoicism in Daily Life
Though Stoicism is easy to understand, it can be difficult to practice. We offer you some tips in this article. (Article, 8 min)
Stoicism and Depression: A Counterintuitive Approach
We explore how Stoicism, the philosophy of joy, could help with depression. (Article, 5 min)
What is Stoicism?
Stoicism is experiencing a resurgence. But what is Stoicism? Here, we explain what Stoics believe and what they practice. (Article, 5 min)
Invictus
A poem about perseverance in the face of life’s obstacles. By William Ernest Henley. (Poem, 1 minute)
How to Get Better at Excel
Are you good at Excel but want to know how to become a master? In this article, we discuss how to complete your training. (Article, 5 min)
How to Fix a Slow Excel Spreadsheet
The IRH team discusses tried and true methods for fixing your Excel workbooks. (Article, 5 minutes)
What is Simpson’s Paradox?
How can one player outhit another player every season and still have a lower career average? (Article, 4 minutes)
Why Do So Many People Need Glasses?
Why do so many people need glasses? Shouldn’t early humans have survived without them? We explore the latest science in this article. (Article, 5 min)
Climate Change Primer Part I – What is Climate Change?
Climate change has taken center stage in our public discourse. But what is it exactly? We wrote this primer to help you make sense of it all. (Article, 5 minutes)
How To Make Learning Stick
What’s the point of studying if we forget everything a month later? (Article, 5 minutes)
What Makes a Board Game Good
With board games experiencing a resurgence in popularity over the past few years, we consider the question: what makes a board game good? (Article, 5 min)
What is Simpson’s Paradox?
How can one player outhit another player every season and still have a lower career average? (Article, 4 minutes)
Can an MLS promotion relegation system ever work?
We explore the age-old question for America’s top soccer league. (Article, 5 min)
How to Get Better at Excel
Are you good at Excel but want to know how to become a master? In this article, we discuss how to complete your training. (Article, 5 min)
What is the column index number in VLOOKUP?
In this article, we explain how to use the column index number in VLOOKUP functions in Excel and provide some examples.
Beyond VLOOKUPs: How to use MATCH, INDEX-MATCH, and XLOOKUP
The IRH team continues our Excel series by discussing functions to replace your VLOOKUPs. (Article, 5 min)