Tech and AI
Beginner · 9 lessons
Getting real work done with AI assistants
Practical prompting, checking and safe habits for everyday office work
Beginner · 9 lessons
Git and GitHub, explained
Version control from your first commit to your first pull request, one small website at a time
Beginner · 12 lessons
How large language models actually work
From tokens to transformers, in plain language, with one librarian's question as the guide
Some prior knowledge · 12 lessons
Kubernetes for data engineers
Run batch pipelines, Airflow and Spark on Kubernetes, from the first pod to the cost report
Beginner · 12 lessons
Python for complete beginners
Learn to program by building a working expense tracker, one small step at a time
Some prior knowledge · 12 lessons
SQL for analysts
From a confident SELECT to joins, window functions and cohort analysis, on one online shop's data
Money
Beginner · 9 lessons
Budgeting that you will actually keep
Find where your money goes, pick a method that fits, and keep it going through bad months
Beginner · 9 lessons
Index investing, plainly
What index funds are, what they cost, and how to build a simple plan you can stick with
Beginner · 9 lessons
Personal finance for your first job
Turn your first salary into a plan: payslips, budgets, debt, credit, insurance and retirement
Beginner · 9 lessons
Understanding your tax return
The ideas behind income tax returns in most countries, worked through one first-time filer's return
Science and how things work
Beginner · 12 lessons
Climate science: the core ideas
How the climate works, how we know it is changing, and what the evidence says comes next
Beginner · 12 lessons
How the immune system works
Follow one flu infection through the body, from the first sneeze to lasting memory
Beginner · 9 lessons
How the internet works, end to end
Follow one click from a laptop in Leeds to a server across the Atlantic and back.
Beginner · 9 lessons
The basics of nutrition, without the hype
What the evidence says about food, and how to use it on an ordinary weekday
Life skills and humanities
Beginner · 12 lessons
A short history of the Roman Empire
From Augustus to the fall of Constantinople, told through one city that lived it all
Beginner · 9 lessons
Learning a language as an adult: a practical method
What research says works, turned into a routine that fits a busy life
Beginner · 9 lessons
Photography with your phone
Better pictures from the camera you already carry: light, composition, people and editing.
Beginner · 9 lessons
Sleep: what the research says
How sleep works, what gets in its way, and what the evidence says helps
Beginner · 9 lessons
Thinking clearly: logic and common fallacies
Spot weak arguments, weigh evidence and argue well, starting with the next debate in your own town