Explore

81 five-minute lessons across 8 areas of life. Each one ends with something to try.

81 lessons

Learning

Recall before you reread

Practise bringing an idea to mind before checking the explanation. Use the result to choose what needs another look, then try again with corrective feedback.

5 minStart
Learning

Make room between reviews

Return to an idea over separate sessions. Start with a manageable review plan, attempt recall each time, and change the gaps according to what you need to remember and for how long.

5 minStart
Habits

Give your next action a clear cue

Turn an intended action into a specific plan that links a recognisable situation with a feasible response. Check that the action serves the goal and that the resources are available.

5 minStart
Habits

Track a useful signal and adjust

Choose one observable sign of the action you intend to practise. Record it simply, compare it with the opportunities available, and use the pattern to make a practical adjustment.

5 minStart
Career

Make a work example clear

Practise explaining a relevant example with clear actions, an honest result, and a boundary on what the example can show.

7 minStart
Habits

Make a routine easier to repeat

Identify a stable opportunity for a small action, then observe the opportunities without turning a streak into a claim of automaticity.

7 minStart
Relationships

Check what you heard before responding

Practise offering a tentative summary and inviting correction in an ordinary low-stakes conversation, while respecting the other person’s choice to stop.

7 minStart
Health routines

Plan an accessible movement opportunity

Practise identifying an opportunity, a practical barrier, and a question for an appropriate professional without prescribing an individual exercise programme.

7 minStart
Creative work

Leave a useful return point

Define a small creative problem, save the current attempt, and use a deliberate return to compare alternatives without promising inspiration.

7 minStart
Health routines

Make the healthier choice the easy one

Use a fictional example to rearrange one everyday spot so the healthier food or drink is the easy option, while the other choice takes one small extra step.

7 minStart
Relationships

Reach out with a small invitation

Notice the thought that stops you getting in touch, then plan one small, specific invitation that is easy for the other person to accept or decline.

7 minStart
Health routines

Plan for the moments you usually smoke

Name the everyday moments that usually come with a cigarette, plan a different response for one of them, and find out where to get support with quitting.

7 minStart
Health routines

Ground yourself when stress hits

Practise a three-step grounding skill from a WHO self-help guide: notice your thoughts and feelings, slow down in your body, and refocus on the world around you.

7 minStart
Habits

Start with the smallest next step

Use a fictional example to shrink a task you keep putting off into one tiny, concrete first step, then tie that step to a moment in your day.

7 minStart
Health routines

Keep a steady wake time

Use a fictional example to choose a wake time you can keep on most days, then plan your evenings so it doesn’t squeeze your sleep.

7 minStart
Habits
The exercise megastudy

Plan your comeback after a missed day

In a huge gym experiment, the top programme rewarded coming back after a missed workout. Plan an easy, rewarding way back before you miss a day.

7 minStart
Habits
The wandering-mind study

Bring your mind back to what you’re doing

In a large phone study, minds wandered in nearly half of the moments sampled, and people were less happy then. Practise noticing where your attention is and gently bringing it back.

7 minStart
Habits
The global review of positive psychology programmes

Write down three good things

See what research on well-being programmes found, then try writing down three things that went well each evening for a week, and why they happened.

7 minStart
Health routines
The 120 minutes a week in nature study

Spend time outdoors in nature

See what a survey of nearly 20,000 people in England found about time in nature, then plan safe time in parks, green spaces or by water across your week.

7 minStart
Money
The S&P Global FinLit Survey

Work out what borrowing really costs

Use invented numbers to work out the total you would repay on a loan, what the borrowing costs, and how unpaid interest can grow.

7 minStart
Money
The 136-country study of giving and happiness

Spend a little on someone else

See what a 136-country study found about giving and happiness, then plan one small, affordable kindness without touching money you need.

7 minStart
Money
The SPIVA South Africa Scorecard

Count what fees cost over the years

Use invented numbers to see how a small fee, taken every year, can add up to a large part of what an investment grows to.

7 minStart
Money
Morningstar’s Mind the Gap study

Plan what you’ll do when markets fall

Use a fictional example to write a short plan before prices fall: what you’ll invest, how often, and how you’ll make decisions when markets drop.

7 minStart
Money
The “Trading Is Hazardous to Your Wealth” study

See what trading often costs

Use a fictional trading record in invented units to add up what each trade costs, then compare the result with simply holding.

7 minStart
Money
The Brazilian day-trading study

Know the odds before you day trade

See what a study of every new day trader in one Brazilian market found, then plan a loss limit, a trade journal and a simple benchmark in invented units.

7 minStart
Health routines
The 2024 Lancet Commission on dementia

Protect your brain as you age

See what a major review found about 14 changeable dementia risk factors, then plan one small step that fits your stage of life, with a health worker where needed.

7 minStart
Health routines
The BMJ review of exercise for depression

Move to lift a low mood

See what a large review of exercise trials found for depression, then plan regular movement you enjoy as one helpful option alongside other support, not instead of it.

7 minStart
Health routines
The Global Burden of Disease diet study

Add the foods most diets are missing

See what a 195-country study found about diet and health, then plan to add one missing food, such as fruit, beans or whole grains, or use less salt, one meal at a time.

7 minStart
Health routines
PREDIMED, the Spanish Mediterranean diet trial

Try one Mediterranean-style swap

Learn what the PREDIMED diet trial found and why its first report was retracted, then plan one Mediterranean-style swap, such as beans, vegetables or nuts, in a week’s meals.

7 minStart
Health routines
The review of muscle-strengthening and health

Train your muscles twice a week

See what large studies link to muscle-strengthening activity, then plan two short sessions a week that work your main muscle groups, starting light and staying safe.

7 minStart
Health routines
The review of strength-training programmes

Make your training a little harder over time

See what a large review of strength-training trials found, then keep a simple log and make your training a little harder over time while keeping good form.

7 minStart
Relationships
The Harvard Study of Adult Development

Keep your close relationships warm

Plan a small, regular point of contact with someone close, plus one way to show interest or support, using a fictional couple as your guide.

7 minStart
Relationships
The 29-lab study of what predicts relationship satisfaction

Say what you appreciate, specifically

Notice one specific thing a partner or loved one does, then practise saying what they did and the difference it made.

7 minStart
Career
Major #1: Business Administration and Management

Why Henry Ford doubled his workers’ pay

In 1914 Henry Ford more than doubled pay at his car plant to stop workers quitting. Learn why keeping people can cost less than replacing them, and what research says about pay and motivation.

8 minStart
Career
Major #2: Nursing (Registered Nursing)

Florence Nightingale and the numbers behind the deaths

Florence Nightingale came home from the Crimean War and turned its death figures into a case for reform. Learn why good care needs a working system, and what research says about feedback and checklists.

8 minStart
Career
Major #3: Psychology

Score the parts before you trust the whole

In 1955, a 21-year-old army lieutenant replaced gut-feel interviews with scored questions, and the predictions got better. Research and a bestselling book show when structure beats intuition, and where the book went too far.

8 minStart
Learning
Major #4: Biology

Borrow an idea from another field

In 1838, Charles Darwin found the key to natural selection in a book about human population. A study of 17.9 million research papers suggests that work mixing familiar knowledge with some unusual combinations is more likely to stand out.

8 minStart
Career
Major #5: Computer Science

Why small teams make big breaks

In 1969, Bell Labs left a giant software project, and a tiny group built Unix on a spare computer. Research on more than 65 million papers, patents and software products suggests small teams tend to disrupt, while large teams tend to develop.

8 minStart
Career
Major #6: Criminal Justice

The Kansas City gun experiment

In 1992 Kansas City police sent extra patrols into one small, violent beat to find illegal guns. Learn why aiming effort at the few places where crime clusters can beat spreading it thin, and where that lesson can go wrong.

8 minStart
Money
Major #8: Finance

The folly that outlasted its critics

In 1976, John Bogle launched the first index mutual fund for ordinary investors, and it raised a fraction of what he hoped. Research and a bestselling book show why costs matter so much. This is history and research, not financial advice.

8 minStart
Career
Major #9: Political Science

Leave the other side a way to say yes

In October 1962, President John F. Kennedy helped end the Cuban missile crisis with a public offer and a private promise. Research on negotiation shows how often both sides miss a deal that would serve them both.

8 minStart
Business
Major #10: Marketing

Sell through people they trust

Tupperware flopped in shops until Earl Tupper pulled it from the shelves and sold it at home parties run by Brownie Wise. Research on referrals and word of mouth backs the idea, but it also shows that going viral is rare.

8 minStart
Career
Major #11: Communication Studies

What the camera saw

On 26 September 1960, Richard Nixon and John Kennedy met in the first televised U.S. presidential debate. Research and a book billed as a bestseller ask how much the way we look shapes the message we send.

8 minStart
Career
Major #12: Economics

The test at the state line

In 1992, New Jersey raised its minimum wage and Pennsylvania did not. Two Princeton economists turned the state line into a test, and the result shook their field. This is history and research, not policy or financial advice.

8 minStart
Health routines
Major #13: Kinesiology and Exercise Science

The men who climbed and the men who sat

In London around 1950, Jerry Morris compared the men who drove buses with the men who climbed their stairs, then found a flaw in his own result. Research and a book its publisher bills as a bestseller show what exercise science can and cannot claim. This is a story, not health advice.

8 minStart
Career
Major #14: Mechanical Engineering

The engine that waited for a cylinder

James Watt had the right idea for the steam engine by 1765, but no engine in commercial use for over a decade. Much of the trouble was not on his drawings. Research and a business novel billed as a bestseller show what that story can and can’t teach.

8 minStart
Career
Major #15: Elementary Education

The teacher who cashed in her pension

In 1975, a Chicago teacher spent her 5,000-dollar pension on a school for children others had written off. Research and a book billed as a bestseller show how far belief carries a child, and where it stops.

8 minStart
Learning
Major #16: English Language and Literature

The poems with no names

In the 1920s, a Cambridge lecturer took the names off poems and asked students of English to judge them. What came back helped change how literature is taught. Research and a bestselling book show how reading skill grows.

8 minStart
Career
Major #17: Sociology

Count before you blame

In 1896, W. E. B. Du Bois took a lowly post with no students and went door to door through a Philadelphia ward that many critics were blaming for the city’s troubles. Research and a bestselling book show what counting conditions can reveal, and where the argument gets contested.

8 minStart
Career
Major #18: History

Half a day in a Swiss bank

In 1983, the historian Hugh Trevor-Roper was asked to judge what were said to be Adolf Hitler’s secret diaries. Research and a bestselling book show why good historians question their sources, and how far that habit can be taught.

8 minStart
Creative work
Major #19: Studio Art and Fine Arts

The copyist who became Van Gogh

In August 1880, a failed preacher in a Belgian coal district decided to become an artist. His first teachers were prints and drawing manuals, and he copied them. Research and a book billed as a bestseller suggest when copying feeds original work, and when it may not.

8 minStart
Career
Major #20: Social Work

The garbage inspector of the Nineteenth Ward

In 1895, Jane Addams of Hull-House became the garbage inspector of a Chicago ward. Her story, the research and a book billed as a bestseller ask when going after a harm’s cause beats responding to it, and how anyone can tell. This is history and research, not advice.

8 minStart
Learning
Major #21: Mathematics

The gap in the proof

In 1993, Andrew Wiles announced a proof of Fermat’s Last Theorem, a problem more than 350 years old, and then a reviewer found a gap. Research and a book billed as a bestseller suggest that struggle and stepping away can both help, and show where that evidence stops.

8 minStart
Career
Major #22: Healthcare Administration

The surgeon who published his mistakes

In the 1910s, the Boston surgeon Ernest Codman counted his own errors and posted them to other hospitals, and a public row with colleagues then cost him dearly. Research and a book billed as a bestseller show what counting failure can and cannot do. This is history and research, not medical advice.

8 minStart
Career
Major #23: Electrical Engineering

The hearing-aid part that became a radio

In the 1950s, a small Japanese firm licensed the transistor, a part its American owner thought suited hearing aids, and built radios with it. Research and a book billed as a bestseller show when new technology really does beat established firms.

8 minStart
Career
Major #24: Health Sciences

The doctor who swallowed the evidence

In 1914, common medical opinion blamed the deadly disease pellagra on infection. Joseph Goldberger tested the idea, on prisoners and on himself. Research and a bestselling book show why health claims need testing. This is history and research, not medical advice.

8 minStart
Creative work
Major #25: Music

Two fingers and a new sound

In 1928, a caravan fire took the use of two fingers from a young musician named Django Reinhardt. He went on to colead a famous jazz group. Research and a book billed as a bestseller show what practice and persistence can and cannot explain. This is history and research, not medical advice.

8 minStart
Career
Major #26: Civil Engineering

The base built before the roof

In 1959, Sydney began building an opera house before anyone knew how to build its roof. Research and a book its publisher labels a best seller ask why big projects run over, and whether planning first helps.

8 minStart
Career
Major #27: Information Technology

The server nobody updated

On 1 August 2012, one server at a U.S. trading firm began sending orders nobody meant to send. Research and a novel its publisher says has sold over half a million copies show why the way a change reaches a system matters so much. This is a story about software, not financial advice.

8 minStart
Learning
Major #28: Early Childhood Education

The coin flip in Ypsilanti

In 1962, a school official in Michigan opened a small preschool against expert advice and ran it as an experiment. Research and a book billed as a New York Times bestseller show what early education can and cannot promise. This is history and research, not advice about any child.

8 minStart
Career
Major #29: Chemistry

The inert gases that climbed too high

In 1974, two chemists in California asked a plain question about man-made gases used in spray cans: where do they end up? Their answer started a long fight. Research and a bestselling book about pesticides show why that question matters. This is history and research, not health advice.

8 minStart
Career
Major #30: Sport Management

The talent the market refused to see

In 1945, Branch Rickey of the Brooklyn Dodgers set out to break baseball’s colour line by signing Jackie Robinson. Research and a bestselling book show how prejudice and habit can blind a market, and why the advantage fades. This is history and research, not career advice.

8 minStart
Creative work
Major #31: Theatre Arts

The play that came back from the dead

In 1896, Anton Chekhov’s The Seagull was nearly hissed off the stage. Two years later a new, struggling Moscow company staged it and found its first major success. Research and a book its publisher bills as a bestseller look at what makes such a company work.

8 minStart
Career
Major #32: Speech-Language Pathology and Communication Disorders

The man they called Tan

In 1861, a man who could say almost nothing but one syllable gave Paul Broca a clue that changed the science of speech and the brain. Research and a book its publisher says has sold over 1 million copies then ask how much a damaged brain can recover. This is history and research, not medical advice.

8 minStart
Career
Major #33: Public Health

Too little vaccine, so he went looking

In eastern Nigeria in the 1960s, William Foege faced smallpox with too little vaccine, and his answer helped change how the disease was beaten. Research and a book billed as a bestseller then ask what good data can and cannot do. This is history and research, not medical advice.

8 minStart
Career
Major #34: Biochemistry

The pattern no one could explain

In 2006, a biochemist took a phone call about a strange pattern in bacterial DNA. It led to a Nobel Prize and a tool for editing genes. Research and a biography of Doudna show how far that story can be stretched. This is a story from science, not medical advice.

8 minStart
Career
Major #35: Computer Engineering

The factory with no products

In the 1980s, a chip veteran was asked to build a chip company in Taiwan, where almost nothing favoured him. His answer changed how computer hardware is made. Research and a prize-winning book show why, and where the story has limits.

8 minStart
Career
Major #36: Criminology

The war on subway graffiti

In 1984 graffiti covered every car in the New York subway, and everything tried against it had failed. Learn why a visible standard can change how a place works, and why the leap to falling crime is still disputed.

8 minStart
Learning
Major #37: Information Science

The index nobody would publish

In the 1950s, Eugene Garfield proposed indexing science by the references scientists cite. When government funders stepped back, he had to decide whether to publish it himself. Research and a bestselling book show why knowing where to look can matter as much as knowing, and where the evidence is still weak.

8 minStart
Health routines
Major #38: Neuroscience

A month without days

In 1938, a sleep scientist went deep underground to test whether the human day could be stretched to 28 hours. Research and a bestselling book on sleep show what the body clock allows, and where claims run ahead of the evidence. This is a story and research, not health advice.

8 minStart
Career
Major #39: Chemical Engineering

The reactors that burst at 80 hours

In 1909, Carl Bosch was asked to turn a laboratory ammonia process into an industry, and his first steel reactors burst. Research and a book its publisher bills as a bestseller show why making things at scale is its own kind of problem.

8 minStart
Career
Major #40: Journalism

The story that would not stay buried

In 1972, two Washington Post reporters kept digging into a burglary while the President won a second term. Research and a bestselling book show what reporting can and cannot do on its own.

8 minStart
Career
Major #41: Biomedical Engineering

The machine that failed fifteen times

In wartime Kampen, Willem Kolff built an artificial kidney from sausage casing and spare parts, and 15 of his first 16 patients died. Research and a bestselling book show when failure teaches and when it does not. This is history and research, not medical advice.

8 minStart

Majors: true stories and the books behind them

41 majors open on the campus map, with ten new ones every day. Each pairs a real story with a bestselling book, and checks both against the research.

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New this week · Major #37Information ScienceThe index nobody would publish8 min

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What the biggest studies found

18 lessons from some of the largest and longest-running studies of people. Each ends with one thing to try.

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Start from what’s in your way

Each path strings a few lessons together.

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