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Why Did Caracalla kill his brother Geta?
Caracalla murdered his own brother Geta to seize the throne. But why? This article explores how a possible complication in his relationship with Geta led to an intense rivalry with his brother. (Article, 6 mins)
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,
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)
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)
Stoicism and Depression: A Counterintuitive Approach
We explore how Stoicism, the philosophy of joy, could help with depression. (Article, 5 min)
Where does the US Government Spend Its Money?
The Federal Budget is a hotly debated topic. But what does the government actually spend its money on? (Article, 5 min)
The Gladiator Games in Ancient Rome: Purely Blood-sport or Something More?
Crowds, swords, and blood, oh my! We examine both the obvious and less obvious reasons the Ancient Romans loved gladiator games. (Article, 15 min)
Problems with Federal Reserve Policy
In this article, we talk about the potential downsides of monetary policy used by the Federal Reserve. (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).
Famous Intellectual Women of History
In this article, we explore some famous intellectual women of history, including Anna Comnena, Hypatia, Hildgarde of Bingen, and Wang Zhenyi. (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)
Best Lord of The Rings Gift Ideas
One gift to rule them all, but where to find it? We’ve combed the web to find the best Lord of the Rings gifts. (Article, 5 mins)
Over 100 of the Best Stoicism Quotes
We’ve scoured the ancient sources and put together over 100 of the best Stoicism quotes from Seneca, Marcus Aurelius, Epictetus and more. (Article, 8 min)
Wang Zhenyi Poetry in English
Wang Zhenyi was a scientist and poet in the late 18th century of China. Here, we present the full poems of Wang Zhenyi in English. (Collection of Poems)
Community Summer Reading Recommendations for 2021
The IRH Community shares its reading recommendations for the summer of 2021. (Article, 5 min)
Hunger is the Best Sauce
In this article, we discuss how changing your perception of what you have can lead to more happiness. (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)
What is Simpson’s Paradox?
How can one player outhit another player every season and still have a lower career average? (Article, 4 minutes)
How to Fix a Slow Excel Spreadsheet
The IRH team discusses tried and true methods for fixing your Excel workbooks. (Article, 5 minutes)
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)
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)
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)
Set A Fitness Goal This Summer
Looking for a way to stay fit this summer? Here’s one way that’s worked for us. (Article, 5 minutes)
MAXIFS without Arrays in Excel
Don’t have MAXIF or MINIF as standard functions in your Excel? Tired of array formulas slowing down your workbooks? We provide a simple solution. (Article, 5 min).
Why Excel Crashes When Deleting Rows
Does your Excel crash when you delete rows? We explain why this happens and how to fix it. (Article, 10 min)
How to Study for a Math Exam
Although quantitative exams at top colleges are needlessly hard, there’s a formula to succeed every time. (Article, 9 minutes)