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Who was the woman once celebrated as the country's most brilliant jewel thief?Discover the story of the Cat-eyed girl, a figure once famous for her criminal ingenuity who eventually faded into historical obscurity. This episode examines her life and reputat…
Who was truly responsible for the devastating spread of the Black Death?The Black Death moved across the globe with alarming velocity, leaving a trail of destruction. This video investigates the historical culprits behind the pandemic, moving beyond c…
Who were the 600,000 liquidators who contained the 1986 Chernobyl nuclear disaster?The Chernobyl liquidators were the civil and military personnel tasked with cleaning up the 1986 nuclear catastrophe. While officially celebrated as heroes, many survivors faced d…
Who Were the Akkadians?How the Akkadians, long at home among the Sumerians, built what many historians call the world's first empire under Sargon, and how their language carried on into Babylonian.
Who Were the Babylonians?The Babylonians were the people of a late-rising city on the Euphrates whose laws, letters, mathematics and star lists survive on clay and stone.
Who were the Baiyue, the mysterious seafaring tribes of ancient southern China?The Baiyue were not a single unified people, but a diverse collection of ethnic groups inhabiting southern China and northern Vietnam. Known for their naval prowess, tattoos, and …
Who were the Bastarnae, the mysterious tribe that once threatened the Roman Empire?For centuries, ancient writers struggled to classify the Bastarnae, a powerful people who occupied the lands north of the Carpathians. Were they Celtic, Germanic, or something els…
Who were the Black Pharaohs that ruled Egypt for nearly a century?Taharqa, a powerful king of the Kingdom of Kush, stands as a central figure among the Black Pharaohs. Ruling Egypt from 690 to 664 BC, his reign represents a pivotal era of Nubian…
Who were the Californios, the Spanish-speaking architects of California's early ranching culture?Before California joined the United States, a distinct society of Spanish and Mexican settlers shaped the region's landscape. Known as Californios, these residents built a vast ra…
Who were the Cimbri, the mysterious tribe that once brought Rome to its knees?The Cimbri were an ancient people who routed Roman armies and sparked widespread terror in the Republic. Despite their fame, their origins remain a puzzle. Were they Germanic, Cel…
Who were the Cimmerians, the mysterious nomadic warriors displaced by the rising Scythian empire?Before the Scythians dominated the Eurasian steppe, the Cimmerians held sway over the Caucasus and northern Black Sea regions. Driven out by their rivals in a decades-long conflic…
Who were the Criollos, the colonial elite who built and broke the Spanish Empire?In the Spanish Americas, the Criollos were locally born people of European descent who occupied a complex middle ground. Often wealthy and influential, they were barred from the h…
Who were the Dacians? Uncovering the lost civilization of ancient DaciaThis documentary explores the origins, culture, and complex history of the Dacians. From their archaic beginnings through the Hellenistic and Roman eras to late antiquity, it prov…
Who were the daring female pilots known as the Night Witches of World War II?This video examines the legacy of the 588th Night Bomber Regiment, an all-female Soviet air force unit. Learn how these women became the most highly honored female flying squadron…
Who were the divine nurses that raised the infant Zeus on Mount Ida?In the cradle of Greek mythology, the king of the gods was not raised by a goddess, but by nymphs. Ida and Adrasteia, daughters of Melisseus, were tasked with nursing the infant Z…
Who were the Dorians, and did they really invade the ancient Greek world?The Dorians were a major ethnic group of classical Greece, defined by their distinct dialect and martial traditions. While often associated with a legendary invasion that supposed…- Who were the elite fighter pilots of the German Luftwaffe during World War II?This documentary provides an objective look at the most successful German fighter aces of the Second World War, featuring rare interviews with the surviving pilots who defined aer…
Who were the Frisians, and why did their name vanish for three hundred years?The Frisians are an indigenous group from the North Sea coast, yet their history is defined by a mysterious three-century silence. After Roman records of the Frisii ceased in the …
Who were the Iberians, the mysterious people who named a continent?Long before Rome, the Iberians dominated the eastern and southern coasts of Spain. Far from a monolithic tribe, they were a sophisticated network of city-states and monarchies, re…
Who were the Illyrians, the ancient people who once dominated the Balkan Peninsula?This documentary explores the origins, culture, and complex history of the Illyrians. Spanning from the Archaic period to late Antiquity, it examines their geography, language, an…
Who were the legendary mountain men known as Ashley's 100 in American history?The History Guy explores the often-overlooked legacy of Ashley's 100, a group of mountain men central to the story of American westward expansion. This video provides historical c…
Who were the mysterious Curetes, the ancient warriors of the Aetolian landscape?In the tapestry of Greek mythology, the Curetes emerge as a legendary tribe defined by conflict and shifting identities. Often confused with other groups, these warriors were cent…
Who were the mysterious gods worshipped by the ancient Celts of Europe?The ancient Celts left behind no written records of their faith. This video synthesizes archaeological evidence and classical accounts to reconstruct the polytheistic world of the…
Who were the mysterious Kambojas, the horse-breeding warriors of the ancient Iranian frontier?The Kambojas were a southeastern Iranian people who lived on the edge of the Indian subcontinent. Renowned for their exceptional horse-breeding skills, they appear in ancient text…
Who were the mysterious Sons of God who walked the earth before the flood?The Bible mentions the Sons of God taking human wives and fathering a race of giants. For millennia, scholars have debated whether these figures were fallen angels, deified kings,…
Who were the mysterious Yem people who battled the Republic of Novgorod for centuries?From the 11th to the 14th century, Finnic tribes known as the Yem engaged in a series of brutal conflicts with the Republic of Novgorod. Often appearing in Russian chronicles as a…
Who were the original inhabitants of Taiwan before the Han Chinese arrived?While Taiwan is currently over 90% Han Chinese, this demographic shift is a relatively recent development. This video explores the history of the island's original Indigenous peop…
Who were the original inhabitants of the narrow coastal plains of northwestern Luzon?The Ilocano people, the third-largest ethnolinguistic group in the Philippines, have long occupied the rugged coastal strip of northwestern Luzon. While their identity was later r…
Who were the Paeonians, the mysterious ancient people of the Vardar river basin?The Paeonians were an ancient Indo-European people who once dominated the Vardar river basin in the Balkans. Despite their historical significance, their origins remain a subject …
Who were the Pelasgians, the mysterious people who inhabited Greece before the Greeks?Ancient Greek writers often invoked the Pelasgians as the original inhabitants of the Aegean, yet their identity remains a historical puzzle. Were they a distinct, non-Greek-speak…
Who were the pioneers that first blazed the trail to California in 1841?Between 1841 and 1869, a quarter-million people migrated to California using the overland trail. This video explores the story of the Bartleson-Bidwell party, the group that first…
Who were the professional record keepers of the ancient Mesopotamian and Anatolian worlds?Professor Theo van den Hout explores the identity and role of scribes in ancient Mesopotamia and Anatolia. This video provides historical context for a museum exhibition dedicated…
Who were the Sahabah, the primary witnesses to the life of the Prophet Muhammad?The Sahabah were followers who personally encountered Muhammad, serving as the essential human links for the Hadith—the recorded sayings and actions that define Islamic tradition.…
Who were the seven sages of ancient India and why do they still matter?The Saptarshi are the seven legendary seers of ancient Indian literature, whose identities have shifted across centuries of Vedic and post-Vedic texts. From celestial constellatio…
Who Were the Sumerians?Before Babylon, the Sumerians of southern Mesopotamia built irrigated cities, invented cuneiform writing to keep accounts, and left a language that Babylonian scribes were still l…
Who were the Tautavel people, and why do they defy simple human classification?Inhabiting a limestone cave in southern France for 150,000 years, the Tautavel people left behind a complex puzzle. With robust skeletons and a mysterious tool kit, these archaic …
Who were the Thracians, the ancient warriors of the Balkan Peninsula?This documentary explores the complex history of the Thracians, tracing their civilization from the Archaic period through the Roman era. It examines their geography, cultural ide…
Who were the true masters of Mount Olympus?Explore the complex hierarchy of the twelve most significant deities in Ancient Greek mythology and the epic traditions that preserved their chaotic, human-like stories.
Who will be the reigning champion of the SciShow Quiz Show?Watch as two SciShow hosts compete in a final face-off to determine the champion for this era of the SciShow Quiz Show.
Who will claim the title of champion in this high-stakes frog leg eating contest?Witness a competitive eating challenge at Swamp Safari where participants vie for the crown of frog leg gluttony. This video captures the intensity of the contest as contestants a…
Who will win the next Breakthrough Junior Challenge?Join Sal Khan and former winner Hillary Andales for a live reveal of this year's Breakthrough Junior Challenge winner. Watch the winning video and discover the creative process be…
Who wins when two giants collide in a prehistoric battle?This video explores an inevitable confrontation between two massive predators: the powerful Spinosaurus and the lethal Carcharodontosaurus, using immersive graphics to reconstruct…
Who would actually defend North Korea if a new conflict erupted today?The Korean War never technically concluded, leaving North Korea to rely on a network of international alliances. This video examines the reality of these partnerships, specificall…
Who wrote the 14th century masterpiece Sir Gawain and the Green Knight?The anonymous Gawain Poet remains one of literature's greatest mysteries. Despite producing some of the most highly-regarded Middle English verse, the author left no signature. Sc…
Whoever controlled Akershus Fortress ruled Norway: the medieval stronghold that shaped a nationBuilt in the late 1290s to defend Oslo, Akershus Fortress has never been successfully taken by a foreign enemy. From a royal residence that shifted the capital from Bergen to Oslo…
Whole genome sequencing reads every letter of your DNA, but rarely uses them all.While the technology can map an entire genetic blueprint, clinical practice often filters this vast data through virtual panels. This approach balances the power of comprehensive …
Whole genome sequencing reveals the complex, layered genetic history of the Turkish populationTurkey has long been a crossroads for human migration, yet its genetic landscape remained largely unmapped at the whole-genome level. Recent high-coverage sequencing of 16 individ…
Whole word masking improves the performance of Chinese language modelsResearchers who developed a new training strategy for Chinese artificial intelligence found that treating entire words as single units, rather than individual characters, signific…
Whole-genome diversity beats single-gene focus for saving speciesA review of population genetics theory and evidence found that conserving a species' overall genetic diversity across the whole genome works better than focusing only on genes tho…
Wholesaling is the invisible engine that bridges the gap between producers and global consumers.Wholesaling is far more than just buying in bulk. It is a critical economic mechanism that reduces friction between manufacturers and buyers by sorting, grading, and redistributin…- Whose death does the banshee truly predict, and why?This spectral figure, the banshee, is famed for her mournful cries, signaling impending loss. Yet, the lore surrounding her is complex, suggesting her warnings are not universal. …
Why 'anonymised' personal data is actually a broken promiseWe are told that our digital identities are protected by anonymisation, yet computer scientists argue this safety is largely an illusion. By cross-referencing supposedly private d…
Why 'bringing your full self to work' can be a trapWhile diversity initiatives often champion authenticity, they can inadvertently create new barriers for underrepresented groups. This video explores why current workplace cultures…
Why 'competitive tax rates' are a symptom of economic illiteracyWe often hear governments compete to offer the lowest taxes to attract investment. But author Nicholas Shaxson argues this logic is fundamentally flawed. By treating national taxa…
Why 'dead' is a moving target in emergency medicineDetermining the point of no return for a stopped heart is more complex than a simple countdown. This video explores why medical professionals must look beyond the clock to decide …
Why 'doing your best' is sometimes not enoughIn high-stakes environments, the gap between effort and excellence can be fatal. Jon Bowers explores why we must move beyond personal effort toward a standard of perfection, even …
Why 'Expert' Testimony Can Be a Veneer for Junk ScienceIn a courtroom, an expert might claim 100 percent confidence in a forensic match. But without a database of errors or universal standards, that certainty can be a facade. Understa…
Why 'feeling right' is the enemy of a good decisionWe are constantly bombarded by a sea of choices, from minor daily tasks to life-altering votes. Most people choose based on intuition or immediate appeal. However, critical thinki…- Why 'fine' is the most dangerous word a student can say about schoolEducation innovator Aylon Samouha argues that when students describe school as merely fine, their potential is quietly fading. He introduces Transcend, a nonprofit working across …
Why 'five nines' of availability is harder than it soundsIn a world of instant access, high availability is the invisible backbone of modern life. From hospitals to autonomous vessels, systems must survive faults, disasters, and attacks…