Be Smart
El Nino and Why We Can't Predict the Weather
What is El Nino? Why can't we predict the weather? Just a few slight changes in global climate patterns can drastically shift the weather. Thanks to chaos theory, even our smartest meteorologists can't predict weather correctly.
TED-Ed
TED-ED: The Silk Road: Connecting the ancient world through trade - Shannon Harris Castelo
With modern technology, a global exchange of goods and ideas can happen at the click of a button. But what about 2,000 years ago? Shannon Harris Castelo unfolds the history of the 5,000-mile Silk Road, a network of multiple routes that...
TED Talks
Harsha Bhogle: The rise of cricket, the rise of India
The tale of a major global cultural phenomenon: Cricket commentator Harsha Bhogle describes the spectacular arrival of fast-paced 20-20 cricket as it parallels the rise of modern India. He traces the game from its sleepy English roots to...
SciShow
The Equator Is a Bad Place for These Rocket Launches
Some satellites orbit in the same direction the planet rotates, which means they get a boost for their launch, but most have orbits where that isn’t ideal, and that creates some challenges for engineers.
MinutePhysics
TOP 10 REASONS Why We Know the Earth is Round
TOP 10 REASONS Why We Know the Earth is Round
SciShow
Did We Find Longitude Thanks To A...Clock?
The equator is a clear and accurate line around Earth that makes measuring latitude a precise science, but when it came to figuring out how to do that with longitude, British sailors were at a loss. Until they devised a competition.
Crash Course Kids
Following the Sun
Have you ever wondered why your shadow is longer sometimes and shorter others? It turns out it all has to do with that marvelous big ball of light in the sky; The Sun! This first series is based on 5th grade science. We're super excited...
Crash Course
Growth, Cities, and Immigration Crash Course US History
In which John Green teaches you about the massive immigration to the United States during the late 19th and early 20th century. Immigrants flocked to the US from all over the world in this time period. Millions of Europeans moved to the...
Crash Course
The Death and Resurrection of Theater as...Liturgical Drama: Crash Course Theater #8
As the Roman Empire fell, so did the theater. If there's anyone who hates theater and actors more than Romans, it's early Christians. As Christianity ascended in the west, theater declined. But, fear not. This isn't the end of the...
Crash Course
Hrotsvitha, Hildegard, and the Nun who Resurrected Theater: Crash Course Theater #9
When last we saw Theater, it was just making its way back in the West, by sneaking a little drama into the Easter mass. In today's episode, we're talking about Hrotsvitha, the cool 10th century nun from Lower Saxony who was maybe the...
TED-Ed
TED-Ed: What happened to the lost Kingdom of Kush? | Geoff Emberling
Along the Nile River, in what is now northern Sudan, lay the ancient civilization of Kush. Though they were once conquered by a powerful neighbor, the kings and queens of Kush would go on to successfully challenge two of the most...
Crash Course
USA vs USSR Fight! The Cold War Crash Course World History
In which John Green teaches you about the Cold War, which was occasionally hot, but on average, it was just cool. In the sense of its temperature. It was by no means cool, man. After World War II, there were basically two big...
TED-Ed
TED-ED: The rise and fall of the Inca empire - Gordon McEwan
It was the western hemisphere's largest empire ever, with a population of nearly 10 million subjects. Yet within 100 years of its rise in the fifteenth century, the Inca Empire would be no more. What happened? Gordon McEwan details the...
TED-Ed
TED-ED: The city of walls: Constantinople - Lars Brownworth
The world owes much of its cultural legacy to Constantinople's walls. When Constantinople was under seige by neighboring enemies, the Roman city's elaborate system of moats, outer walls, and inner walls stood tall. Surviving numerous...
Curated Video
Exploring the Beauty and Biodiversity of the Himalayas
This video provides a fascinating overview of the Himalayas, exploring their geological formation, cultural significance, and rich biodiversity. From the majestic mountains and glaciers to the diverse ecosystems and unique wildlife, this...
Curated Video
Why So Much Land In The West Is Owned By The Federal Government
The United States federal government is the largest land owner in the entire country. In particular, most of its current land holdings exist within the western half of the contiguous United States, with very little in the eastern half....
Debunked
What's The Fastest Direction To Fly Around The World
How does the Earth's rotation affect the speed of an aircraft and duration of a flight? Why is it longer to fly east to west? How does the Coriolis Effect and Jet Stream affect this? Join us as we explore and explain this phenomenon!
Curated Video
Landmarks - Tower Bridge
TOWER BRIDGE TOWER BRIDGE CROSSES THE RIVER THAMES IN LONDON, CLOSE TO THE TOWER OF LONDON WHERE IT TAKES ITS NAME. IT IS A COMBINATION BASCULE AND SUSPENSION BRIDGE. ONCE LONDON BRIDGE WAS THE ONLY BRIDGE ACROSS THE THAMES, BUT AS...
Curated Video
Landmarks - Angkor Wat
ANGKOR WAT FEW LANDMARKS ARE MORE CONFOUNDING OR MORE BEAUTIFUL THAN CAMBODIA S ANGKOR WAT. BUILT IN THE FIRST HALF OF THE 12TH CENTURY, ANGKOR WAT IS THE PRINCIPAL TEMPLE OF WHAT WAS ONCE A VAST METROPOLIS. IT IS LOCATED FIVE KILOMETRES...
Curated Video
Unlocking the Secrets of Cosmic Bullets: The Malag Observatory
Scientists in Argentina are using a vast network of observatory stations to study cosmic rays, powerful particles from outer space that bombard Earth. This project, funded by multiple nations, aims to understand the origins and nature of...
Curated Video
Battle of Adrianople, 1205 AD Emperor Kaloyan, the Roman Slayer
Battle of Adrianople, 1205 AD Emperor Kaloyan, the Roman Slayer
Curated Video
Basil retakes Macedonia! The tide turns ⚔ Battle of Skopje, 1004 ⚔ Basil II the Bulgar Slayer Part 4
Basil retakes Macedonia! The tide turns ⚔ Battle of Skopje, 1004 ⚔ Basil II the Bulgar Slayer Part 4
Curated Video
Attack on the WXYZ Complex Two US paratroopers wipe out a whole German company WW2 Docuumentary
Attack on the WXYZ Complex Two US paratroopers wipe out a whole German company WW2 Docuumentary
Curated Video
Landmarks - China Bridge
CHINA BRIDGE FEW LANDMARKS REMAIN COMPLETELY UNCHANGED DURING THEIR LIFETIME, ESPECIALLY IF THEY HAVE A LONG LIFESPAN IN A LARGE AND BUSTLING CITY. THAT IS THE CASE WITH ONE OF SHANGHAI’S MOST DISTINCTIVE ICONS, THE WAIBAIDU OR THE...