Thirty-six true stories, experiments and real-world cases for Modern Studies: how democracy works (and doesn't), who gets heard, why inequality persists, what juries can and can't trust, how media shapes what we believe, and how countries cooperate and clash. Each card takes a minute to read, credits its original source, and comes with a two-minute starter question and a longer discussion prompt. Project them as lesson starters or print a set for group work. Free, no sign-up.
For: National 4/5, Higher and Advanced Higher Modern Studies; also Politics, Sociology and PSHE
In 930 AD, Iceland's farmer-chieftains gathered at a rift valley called Thingvellir and founded the Althing, an assembly that met once a year to make law and settle feuds -- with no monarch and no standing executive. It's often called the world's oldest parliamentary institution still in existence today.
In The Spirit of the Laws (1748), Montesquieu argued that liberty survives only when legislative, executive, and judicial power sit in separate hands that can check one another, since concentrating all three produces tyranny. He pointed to England's mixed constitution as his working model. His framework went on to shape the US Constitution's system of checks and balances directly.
Sixty thousand people gathered peacefully in Manchester in 1819 to demand parliamentary representation. Local magistrates sent armed cavalry into the packed crowd to arrest a speaker, and the resulting crush and sabre charge killed at least 18 people and injured hundreds. The massacre was nicknamed 'Peterloo,' a bitter echo of Waterloo, and became a founding grievance behind Britain's later electoral reforms.
From the 1860s, suffragists petitioned peacefully for decades with little result. In 1903 Emmeline Pankhurst founded the Women's Social and Political Union under the motto 'deeds, not words': members chained themselves to railings, smashed windows and endured forced feeding on hunger strike. British women over 30 won the vote in 1918, full equal suffrage in 1928 — the year Pankhurst died.
Kenneth Arrow proved that no ranked-voting rule can simultaneously satisfy a short list of reasonable fairness conditions once there are three or more options. Every electoral or committee system is a tradeoff, not a solution — the theorem launched modern social choice theory and later helped win Arrow a Nobel Prize.
Learning enough to cast a genuinely informed vote takes real effort, but a single vote almost never changes a national election's outcome. Anthony Downs argued that weighing those two facts, it's perfectly rational for a voter to stay deliberately uninformed, since the personal payoff from research is close to zero however the election turns out. The same logic explains why voters often know more about their favourite sports team's roster than their own government's policies.
On 1 December 1955, Rosa Parks was arrested in Montgomery, Alabama for refusing to give up her seat to a white passenger. Local Black leaders, including a young Martin Luther King Jr., organized a boycott of the city's buses that lasted 381 days and ended with a Supreme Court ruling that segregated buses were unconstitutional.
In October 1936, tens of thousands of Jewish, Irish, and socialist East Enders built barricades and fought police to stop Oswald Mosley's British Union of Fascists marching through Cable Street. The march was called off within hours, and the clash became Britain's defining anti-fascist symbol of the 1930s.
In the early hours of June 28, 1969, New York police raided the Stonewall Inn, a Greenwich Village gay bar, as they had done many times before. This time patrons fought back, and the street confrontations that followed lasted several nights. The riots galvanized LGBTQ activism in the US, and the first Pride marches, held exactly a year later, trace directly back to that night.
Henry David Thoreau refused to pay a poll tax funding slavery and the Mexican-American War and spent a night in jail for it. He turned the experience into 'Civil Disobedience,' arguing that when a law forces you to be an agent of injustice, you have a duty to break it -- the essay later shaped Gandhi's and Martin Luther King Jr.'s resistance movements.
Published in 1792, Mary Wollstonecraft's A Vindication of the Rights of Woman argued that women only appeared inferior to men because they were denied education, not because of any natural incapacity. She wrote it during the French Revolution, aiming her argument at Enlightenment thinkers who championed liberty for men while ignoring it for women. It's now considered a founding text of Western feminism.
In 1971, Daniel Ellsberg, a military analyst who had helped write a classified Pentagon history of the Vietnam War, secretly photocopied the entire study and leaked it to the New York Times. The Pentagon Papers showed the government had long misled the public about the war's chances, and the Supreme Court sided with the press when the Nixon administration tried to block publication.
Italian statistician Corrado Gini devised a way to compress an entire income distribution into a single score between 0 and 1: 0 means everyone earns the same, 1 means one person earns everything. Plot the gap between a country's actual income distribution and perfect equality, and the Gini coefficient is essentially the size of that gap. It's now the standard yardstick economists use to compare inequality between countries and across time.
In Capital in the Twenty-First Century, economist Thomas Piketty compiled centuries of tax records across many countries and argued that whenever the return on capital (r) outpaces overall growth (g), wealth concentrates in the hands of those who already own assets, since their fortunes compound faster than everyone else's wages grow. He argued this has been the historical norm, briefly interrupted only by the wars and taxes of the 20th century. The book became an unlikely bestseller.
Richard Easterlin found that within any country, wealthier people report more happiness — but as whole nations get richer over decades, average happiness barely budges. His explanation: people judge their income against others', so when everyone's income rises together, relative status stays the same.
Since 2016, the nonprofit GiveDirectly has been paying a basic income of about $0.75 a day to tens of thousands of people in rural Kenya, with no conditions on how it's spent, in the largest and longest-running universal basic income study ever run. Early results found recipients invested in businesses and didn't work meaningfully less than a comparison group.
In 1990, Pakistani economist Mahbub ul Haq, drawing on Amartya Sen's work on human capability, launched the Human Development Index to challenge the idea that a rising GDP alone proves a country is thriving. By blending life expectancy, education and income into one score, it let a poorer country with good healthcare and schools outrank a richer one that neglected both.
Psychologists Kenneth and Mamie Clark showed Black children four dolls, identical except for skin color, and asked which was nice, which was bad, and which they'd like to play with. Most picked the white doll as nicer, showing that racial bias had already taken root before school age. The findings became part of the evidence in the US Supreme Court's 1954 Brown v. Board of Education ruling against school segregation.
Elizabeth Loftus and John Palmer showed people footage of a car accident, then asked how fast the cars were going when they 'smashed', 'collided', 'bumped' or 'hit' each other. The verb alone shifted speed estimates — and a week later, people who'd heard 'smashed' were more likely to falsely recall broken glass that was never in the film. Memory isn't a recording; it's rebuilt each time you retrieve it.
When a weapon is visible during a crime, eyewitnesses fixate on it and remember far less about everything else, including the perpetrator's face. In a classic 1987 study, Elizabeth Loftus and colleagues showed people a video of a customer handing a cashier either a check or a gun; those who saw the gun stared at it longer and later recognized the person much less accurately. It's a reason courts now treat single-eyewitness identification with caution.
Across more than a hundred studies, people consistently recognise faces from their own race more accurately than faces from other races, mistaking cross-race strangers for each other far more often. A large meta-analysis confirmed the effect appears worldwide regardless of which race counts as 'own', and it has contributed to real wrongful eyewitness identifications in court.
Bentham designed the Panopticon so a single guard could watch any prisoner at any moment, while prisoners could never confirm whether they were actually being observed. Foucault argued this is the model for modern power generally: once you can never be sure you're unwatched, you start disciplining yourself, and the surveillance no longer needs to be real to work.
In 1961, Stanley Milgram told volunteers to give an unseen 'learner' increasingly severe electric shocks every time he answered wrong. Despite cries of pain from the next room, 65% of participants obeyed all the way to the maximum, seemingly lethal voltage simply because an authority figure calmly told them to continue.
After the 1964 murder of Kitty Genovese was reported, inaccurately, as having been witnessed by 38 passive neighbours, psychologists John Darley and Bibb Latané ran experiments showing bystanders are genuinely slower to help when more people are present, each assuming someone else will act or taking cues from others' inaction. The effect has been replicated across dozens of studies with strangers staging fake emergencies.
Confirmation bias is the tendency to search for, favour and recall information that supports what you already believe, while giving less weight to evidence against it. Raymond Nickerson's 1998 review traced it through scientific reasoning, jury verdicts and everyday arguments. It's one of the most consistently replicated biases in psychology.
In Tversky and Kahneman's 1981 'Asian disease' experiment, people overwhelmingly picked the safe option when a policy was framed as saving lives, and the risky option when the identical outcome was framed as lives lost. The underlying numbers never changed, only the wording. It became one of the founding demonstrations behind prospect theory.
In August 1835 the New York Sun ran a six-part series claiming astronomer John Herschel had spotted unicorns, blue goats and bat-winged humanoids on the Moon through a giant new telescope. Circulation exploded and rival papers reprinted it as fact before the Sun let the story quietly die without ever really retracting it.
Orson Welles's radio adaptation of The War of the Worlds is remembered for sending America into mass hysteria. In reality, ratings suggest almost no one was tuned to that station, and modern research found only scattered, anecdotal reports of fright. Newspapers — uneasy about radio stealing their advertising — ran wire reports that inflated a minor stir into a legendary nationwide panic.
In 1994, the station RTLM broadcast the names, addresses and hiding places of targets over the air, calling Tutsi 'cockroaches' and telling listeners not to spare women or children. Roughly 500,000 to 800,000 people were killed in about 100 days, one of the fastest mass killings in recorded history. An international tribunal later convicted RTLM's founders of genocide for the broadcasts themselves.
Solomon Asch asked participants to match line lengths — an unambiguous, easy task. But when several actors in the room confidently gave the same wrong answer first, real participants conformed to it about a third of the time on average, and three in four conformed at least once across the trials. Correcting your own eyes felt riskier than looking foolish alone.
In February 1945, with Germany's defeat only months away, Franklin Roosevelt, Winston Churchill, and Joseph Stalin met at Yalta in Crimea to decide how occupied Europe would be governed, and to secure Soviet entry into the war against Japan. Roosevelt, visibly exhausted and only weeks from his own death, pushed hard for Stalin's support of the new United Nations. The compromises reached there, especially over Poland's borders, shaped the Cold War's dividing lines for decades.
In 1948, facing a Europe devastated by war and at risk of turning to communism, the US launched the Marshall Plan, sending over $13 billion to rebuild Western European economies, including those of former enemies Germany and Italy. Recipients had to cooperate on joint economic planning, laying groundwork for European integration. It is widely credited with Europe's rapid postwar recovery, though historians still debate how decisive it really was.
Somaliland declared independence from Somalia in 1991 and has since run its own government, printed its own money, and held multiple peaceful elections. Not a single UN member state formally recognizes it, so on most world maps it simply doesn't exist as a country.
Between 1958 and 1976, the UK and Iceland repeatedly clashed over fishing rights in the North Atlantic, deploying warships and trawlers that rammed each other and cut fishing nets. Despite the name, the Cod Wars produced no direct combat deaths before Iceland won expanded fishing limits. NATO reportedly pressured Britain to back down, worried Iceland might otherwise leave the alliance.
On July 17, 1975, an American Apollo capsule and a Soviet Soyuz capsule docked 222 km above Earth, and astronaut Thomas Stafford and cosmonaut Alexei Leonov shook hands through the open hatch — the first handshake between the two nations' astronauts in space. For two days the crews shared meals, ran joint experiments and held press conferences together. It was the last flight of an Apollo spacecraft, and a symbolic thaw in the Cold War space race.
When Fidel Castro let 125,000 Cubans leave for Miami in 1980, the city's labor force grew roughly 7% within months, a textbook shock to labor supply. Economist David Card compared Miami's wages and unemployment to similar cities and found almost no effect on native workers, even the least skilled. It became a landmark natural experiment on whether immigration hurts wages.