TED-Ed
TED-Ed: Can you solve the penniless pilgrim riddle? - Daniel Finkel
After months of travel, you've arrived at Duonia, home to the famous temple that's the destination of your pilgrimage. The walk from the welcome center to the temple isn't a long one ... but there's a problem. Can you outsmart the city's...
TED Talks
TED: Why the "wrong side of the tracks" is usually the east side of cities | Stephen DeBerry
What do communities on the social, economic and environmental margins have in common? For one thing, they tend to be on the east sides of cities. In this short talk about a surprising insight, anthropologist and venture capitalist...
TED-Ed
The rise of the Ottoman Empire | Mostafa Minawi
In the late 13th century, Osman I established a small principality sandwiched between a crumbling Byzantine Empire and a weakened Sultanate of the Seljuk of Rum, in what is now Turkey. In just a few generations, this territory had...
Crash Course
The Cold War Crash Course US History
In which John Green teaches you about the Cold War, which was the decades long conflict between the USA and the USSR. The Cold War was called cold because of the lack of actual fighting, but this is inaccurate. There was plenty of...
TED-Ed
TED-Ed: Leonora Neville: The princess who rewrote history
Anna Komnene, daughter of Byzantine emperor Alexios, spent the last decade of her life creating a 500-page history of her father's reign called "The Alexiad." As a princess writing about her own family, she had to balance her loyalty to...
SciShow
Why Are Rockets Launched in Florida?
Out of all the locations NASA could have chosen in the U.S., why Florida?
Amoeba Sisters
Mega Genetics Review
Ready to review how to do different types of Mendelian and Non-Mendelian Punnett square problems with The Amoeba Sisters? This video reviews one-trait / monohybrid crosses, two-trait / dihybrid crosses, incomplete dominance, codominance,...
MinutePhysics
Distance and Special Relativity - How Far Away is Tomorrow?
In this episode we talk about distance in space and time and answer "How far away is tomorrow?"
SciShow
Bringing Back the Lost American Chestnut Tree
American chestnut trees were all over the US at the end of the 19th century until the fungus wiped most of them out. Scientists have been trying to figure out ways to bring those endangered American chestnuts back to their former glory.
SciShow
Why Don't We Have Nuclear Fusion Power Yet?
Fusion power is supposed to save us from fossil fuels, so when is nuclear fusion going to be a viable option and why has it been so elusive?
SciShow
What If Earth Spun the Other Way?
How different would things be if Earth had always rotated in the opposite direction?
Crash Course
The End of Civilization (In the Bronze Age): Crash Course World History 211
In which John Green teaches you about the Bronze Age civilization in what we today call the middle east, and how the vast, interconnected civilization that encompassed Egypt, The Levant, and Mesopotamia came to an end. What's that you...
MinuteEarth
Where Does One Ocean End And Another Begin?
Earth's ocean water is continuous. How can we divide it into sections that are more useful?
3Blue1Brown
Oh, wait, actually the best Wordle opener is not “crane”…
Contents: 0:00 - The Bug 3:31 - How the best first guess is chosen 8:54 - Does this ruin the game?
TED-Ed
TED-Ed: A brief history of chess - Alex Gendler
Trace the storied history of the game of chess, from its origins in 7th century India to the computer software we use today. -- The attacking infantry advances, their elephants already having broken the defensive line. The king tries to...
SciShow
Terrific Trees: A SciShow #TeamTrees Compilation
From the Avocado to Pando, we love trees! They do so much for us, from making oxygen so we can breathe, to cooling urban environments, to literally holding the ground together to prevent erosion! The SciShow team is joining
MinutePhysics
Why Isn't It Faster To Fly West?
If the earth is spinning to the east at 1000 miles per hour... why can't we fly west more easily?
TED-Ed
TED-Ed: The rise and fall of the Celtic warriors | Philip Freeman
One summer evening in 335 BCE, Alexander the Great was resting by the Danube River when a band of strangers approached his camp. Alexander had never seen anything like these tall, fierce-looking warriors with huge golden neck rings and...
MinuteEarth
The Place Where Time Flows Backwards
People all around the world tend to represent time via space, but there’s no consensus on which way time goes.
Crash Course
World War II: Crash Course European History
Only a couple of decades after the end of the First World War--which was supposed to be the War that Ended All Wars--another, bigger, farther-flung, more destructive, and deadlier war began. Today, you'll learn about how the war in...
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.
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.
SciShow
Flowers, Bees, and... Yeast? It's a Pollination Love Triangle!
Bees and flowers are as classic a pair as peanut butter and jelly. But recent research suggests there's a third, much tinier partner in this relationship!
TED-Ed
TED-ED: The rise and fall of the Berlin Wall - Konrad H. Jarausch
On August 13, 1961, construction workers began tearing up streets and erecting barriers in Berlin. This night marked the beginning of one of history's most infamous dividing lines: the Berlin Wall. Construction continued for a decade as...