LATEST LESSONS
New lessons are added almost every week. Check out the most recent lessons on The Blue Tree. Which one looks practical, interesting, or inspiring?
Secrets of Adulthood
Simple truths for our complex lives. This lesson is based on a book by Gretchen Rubin.
Managing up
How can an employee manage their bosses? They need to learn how to manage up. That’s what this lesson is about.
Black Box Thinking
Mistakes can be our greatest teachers – if we learn from them. Black Box Thinking shows how embracing failure leads to real progress. Are you making the most of your mistakes?
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LIST OF CATEGORIES
There are 20 main categories, or subjects, of lessons on The Blue Tree. First five are about the English language, the next ten are about general interest, and last five relate to personal development.
chronological catalogue
Browse through all the lessons using this chronological catalogue of lessons.
Will she dump him
Follow a story of Ben and Maz. Is there a chance for them to save their relationship?
Helios. The Democratic Organisation
How would democratic principles work in a business context? Discuss the topic of a democratic organisation on the basis of a fragment from For All Mankind
What if we stopped making so much stuff?
A growing portion of climate activists and policy makers argue that reducing global economic activity – or degrowth – is the only way to save the planet.
An ER doctor on triaging your “crazy busy” life by Darria Long
Get ready to learn practical strategies and tips from an expert on how to effectively manage the chaos and reclaim balance in your hectic lifestyle.
5 questions to guide your career choices
Are you on the right path professionally? Check out these five questions to guide your career choices. This lesson is based on Harvard Business Review management tip.
Unlimited memory by Kevin Horsley
Would you like to know how to remember words, events, names, etc. better? Here’re some great tips on how to improve your memory.
What we wear at -71°C in Yakutia
Learn what people in Yakutia when the temperature falls to -71C.
Seven habits of highly effective people by Stephen Covey
Learn about Stephen Covey’s seven habits of highly effective people.
Talking about weather – questions tags
Learn how to use question tags to talk about weather. This lesson includes a short video with Lucy.
Uses of Present Simple and Present Continuous Tenses
Test your understanding how we use Present Simple and Present Continuous tenses in English.
The Story of Ada Lovelace: The World’s First Computer Programmer
Learn about Ada Lovelace, daughter of the famous poet Lord Byron, is considered the world’s first computer programmer.
What’s the missing word – part 2
A lesson in word-formation. 7 key words for business English and 21 words in total. Audio examples included.
In a Rut. Try These Simple Approaches to Re-Energize Yourself
Do you feel in a rut perhaps? Do this lesson to learn some simple approaches to re-energize yourself. This lesson is based on an article from Harvard Business Review.
The Trick to Regaining Your Childlike Wonder by Zach King
Watch this hilarious presentation and regain your childlike wonder. Let Zach King wake up your imagination and creativity.
Break your procrastination habit
Learn how to break procrastination habit in this lesson based on an article from Harvard Business Review.
Let’s touch base. 15 English idioms to use at work
Learn 15 practical idioms to use at work. This lesson is based on a Youtube video by Emma from mmmEnglish.
Seven Phrasal Verbs
Learn seven practical, everyday phrasal verbs. – part 2
The Art of Balancing Stones
Czy słyszałeś kiedyś o czymś takim jak ustawianie kamieni? Jak dowiesz się z tej lekcji, to naprawdę trudna, ale i piękna, forma sztuki.
Queen Elizabeth II: her reign in numbers
Lesson about Queen Elizabeth and her remarkable reign. Facts and numbers. Lesson based on a video from The Economist.
Pinkcast. The Drucker Memo
Learn how Drucker Memo can help you make better decisions. This lesson is based on Daniel Pink’s video.
Don’t chase happiness. Become antifragile.
Learn about the concept of ‘antifrigility’ from Tal Ben-Shahar in this insightful lesson on happiness.
How to Get Along with Difficult Colleagues
Learn how to get along with a difficult colleague at work. This lesson is based on an article from Harvard Business Review Management Tip.
WORDS IN THE NEWS – Receding Water Levels Unveil Ancient Remains
Words in the news. This lessons deals with global water shortage and low level of rivers. It’s based on a video from NBC News from 25 August 2022.
The only thing we have to fear is fear itself
When by Daniel Pink
Learn when to do your most important work taking account your circadian rhythm. This lesson is based on a whiteboard animation about Daniel Pink’s book “When”.
Introduce Yourself with Confidence
Learn how to introduce yourself with confidence in a business context. This lesson is based on Harvard Business Review Management Tip.
Nail Your Answer to “Why Do You Want to Work Here”?
Learn how to answer the question “Why do you want to work here?”. This lesson is based on a HBR Management Tip.
12 RULES FOR LIFE by Jordan Peterson
Learn 2 rules from Jordan Peterson’s book “12 Rules for Life”. This lesson is based on a whiteboard animation by Productivity Game.
Atomic Habits by James Clear
Learn how to make your habits stick by making them obvious, easy, attractive and satisfying. This lesson is based on James Clear’s book Atomic Habits.
































