You vote but then what? Discover how your individual vote contributes to the popular vote and your state's electoral vote in different ways--and see how votes are counted on both state and national levels. [Lesson by Christina Greer, directed by Mark Phillips, narrated by Christina Greer].

In 1963, Martin Luther King Jr. delivered his "I Have a Dream" speech at the March on Washington to nearly a quarter million people. None of it would have been possible without the march's chief organizer – a man named Bayard Rustin. Christina Greer details his life of advocacy as a leader in the Civil Rights Movement, and the challenges he face...

In the late 1800's, lynchings were happening all over the American South, often without any investigation or consequences for the murderers. A young journalist set out to expose the truth about these killings. Her reports shocked the nation, launched her journalism career and a lifelong pursuit of civil rights. Christina Greer details the life o...

In the 1960s, the FBI amassed almost 2,000 documents in an investigation into one of America's most celebrated minds. The subject of this inquiry was a writer named James Baldwin, one of the best-selling Black authors in the world at the time. What made him loom so large in the imaginations of both the public and the authorities? Christina Gree...

District lines, and the groups of voters within them, may seem arbitrary, but a lot of thought (and political bickering) is put into these carefully drawn lines. From "packing" a district to "cracking" a district--learn how the shape of districts impacts political parties during election season. [Directed by Smart Bubble Society, narrated by Chr...

Quantum computers could eventually outstrip the computational limits of classical computers. They rely on the behavior of atomic and subatomic particles, whose quantum states are incredibly fragile and easily destroyed— which is why this technology remains largely theoretical. How would quantum computers work, and are they really possible? Chiar...

On March 3, 1913, after months of strategic planning and controversy, thousands of women gathered in Washington D.C. for the Women's Suffrage Parade -- the first mass protest for a woman's right to vote. Michelle Mehrtens details how the march rejuvenated the fight for the 19th amendment. [Directed by WOW-HOW Studio, narrated by Christina Greer,...

Feeling disconnected from creating art within classical conventions, artist Georgia O'Keeffe began experimenting with abstract drawings that defied easy classification. Using the shapes and rhythms of nature to capture her internal world, these experiments became the cornerstone of the movement known as American Modernism. Iseult Gillespie explo...

For centuries, scholars puzzled over the hieroglyphs they found carved onto ancient Egyptian ruins, tablets, and papyri. But in 1799, a unique discovery would finally help unlock their meaning. It was a stone inscribed with three different texts: Egyptian Hieroglyphs, Demotic Egyptian, and Ancient Greek. Franziska Naether shares how scholars dec...

While we’re already feeling the devastating effects of human-caused climate change, governments continue to fall short on making and executing emissions pledges that would help thwart further warming. So, what will our world look like in the next 30 to 80 years, if we continue on the current path? Shannon Odell offers a glimpse at Earth's possib...

Juana Ramírez de Asbaje sat before a panel of prestigious theologians, jurists, and mathematicians. They had been invited to test Juana's knowledge with the most difficult questions they could muster. But she successfully answered every challenge, from complicated equations to philosophical queries. Who was this impressive woman? Theresa Yugar d...

Like Beat writers who composed their work by shredding and reassembling scraps of writing, artist Jean-Michel Basquiat used similar techniques to remix his materials. Pulling in splintered anatomy, reimagined historical scenes and skulls, he repurposed present day experiences and art history into an inventive visual language. Jordana Moore Sagge...

Isabella Baumfree was born into slavery in late 18th century New York. Fleeing bondage with her youngest daughter, she renamed herself Sojourner Truth and embarked on a legendary speaking tour. She became known as an electrifying orator and her speeches impacted thousands of people in communities across the United States. Daina Ramey Berry detai...

Rice contributes over 20% of the calories consumed by humans each year. Korean bibimbap, Nigerian jollof, Indian biryani, Spanish paella, and countless other culinary masterpieces all begin with rice. So how did this humble grain end up in so many cuisines? Carolyn Beans investigates the global expansion of this beloved crop and the unintended c...

For one hundred days in 1994, the African country of Rwanda suffered a horrific campaign of mass murder. Neighbor turned against neighbor as violence engulfed the region, resulting in the deaths of over one-tenth of the country's population. How did this happen? And why didn't international organizations intervene? Susanne Buckley-Zistel digs in...

All life on Earth— living and inanimate, microscopic and cosmic— is governed by mathematical laws with apparently arbitrary constants. And this opens up a question: If the universe is completely governed by these laws, couldn't a powerful enough computer simulate it exactly? Could our reality actually be a detailed simulation set in place by a m...

Philosopher Hannah Arendt was a German Jew who dedicated herself to understanding how the Nazi regime came to power, and more specifically, how it inspired so many atrocities. She believed the true conditions behind the unprecedented rise of totalitarianism weren’t specific to Germany, and developed theories on how to best combat such threats. J...

In 2009, five Kenyan people took a petition to the British Prime Minister. They claimed they endured human rights abuses in the 1950s, while Kenya was under British colonial rule, and demanded reparations. They had no documentary evidence that Britain sanctioned systems of torture— but thousands of secret files were waiting to be discovered. Aud...

Imagine that you've been unemployed for months. Government benefit programs have helped you cover your expenses, but you're barely getting by. Finally, you receive a paycheck— but there's a catch. Your new job pays enough to disqualify you from benefit programs, but not enough to cover your costs. So how do we design benefit programs that don't ...

From the 1650s through the late 1800's, European colonists descended on South Africa. They sought to claim the region, becoming even more aggressive after discovering the area's abundant natural resources. To support their claims to the land, the colonizers asserted they were settling in empty land devoid of local people. Was this argument true?...

On September 9th 1971, a spontaneous uprising began in a New York State prison. A group of prisoners overpowered guards, broke windows, started fires, and captured supplies, sparking the Attica Rebellion. Soon, over 1,200 prisoners had assembled with 42 hostages to demand better treatment and better living conditions. Orisanmi Burton details the...

Medieval Europe. Where unbathed, sword-wielding knights ate rotten meat, thought the Earth was flat, defended chastity-belt wearing maidens, and tortured their foes with grisly gadgets. Except... this is more fiction than fact. So, where do all the myths about the Middle Ages come from? And what were they actually like? Stephanie Honchell Smith ...

Arcane books of forbidden lore, disturbing secrets in the family bloodline, and terrors so unspeakable the very thought of them might drive you mad. These have become standard elements in modern horror stories. But they were largely popularized by a single author: H.P. Lovecraft, whose name has become synonymous with the terror he inspired. Silv...

In 1775, General George Washington received a poem from one of colonial America's most famous writers. Its verses praised the burgeoning revolution, invoking the goddess of their new nation to aid the general's cause. But this ode to liberty wasn't written by some aloof aristocratic admirer. Its author was a young enslaved Black woman. Charita G...

Since the 1800s, a handful of oligarchs had controlled nearly all of El Salvador's land, forcing laborers to work for almost nothing. But in 1980, farmers and urban workers formed guerrilla groups to overthrow the US-backed dictatorship. These revolutionaries were attacked from every direction, but a group of rebels refused to be silenced. Diana...

Much science fiction features white male heroes who blast aliens or become saviors of brown people. Octavia E. Butler knew she could tell a better story. She built stunning worlds rife with diverse characters, and brought nuance and depth to the representation of their experiences. Ayana Jamieson and Moya Bailey dive into the works of the vision...

In 1972, Thomas Sankara was swept into the revolution seeking to wrest control of Madagascar from France's lingering colonial rule. The protests inspired the West African native to read works by socialist leaders and seek wisdom from military strategy. Leaving Madagascar in 1973, he was determined to free his country from its colonial legacy. Li...

On November 30th, 1935, dozens of writers passed away. They came from different backgrounds, espoused divergent beliefs, and wrote in a variety of styles. Yet almost 30,000 pages of their work was stashed in a trunk in an apartment in Lisbon, Portugal. So, what mysterious string tied all these writers together? Ilan Stavans explores the enigmati...

Throughout her life, Rosa Parks repeatedly challenged racial violence and the prejudiced systems protecting its perpetrators. Her refusal to move to the back of a segregated bus ignited a boycott that lasted 381 days and helped transform civil rights activism into a national movement. But this work came at an enormous risk— and a personal price....

William Faulkner is considered one of America's most remarkable and perplexing writers. He confused his audience intentionally, using complex sentences, unreliable narrators, and outlandish imagery. His body of work is shocking, inventive, hilarious, and challenging. So how can readers navigate his literary labyrinths? Sascha Morrell explains ho...