TED-Ed
TED-Ed: Does trickle-down economics actually work? | Jonathan Smith
In 1981, the US economy was struggling: unemployment rates were climbing and inflation had peaked at an all-time high. To combat these issues, President Reagan introduced a number of economic policies, including tax cuts for large...
TED Talks
TED: Meet e-Patient Dave | Dave deBronkart
When Dave deBronkart learned he had a rare and terminal cancer, he turned to a group of fellow patients online -- and found the medical treatment that saved his life. Now he calls on all patients to talk with one another, know their own...
SciShow
Living Fossils Are Dead! Long Live Living Fossils
Scientists are looking to end how we categorize living fossils, and in doing so, give the phrase new life.
TED Talks
TED: Reinventing the encyclopedia game | Rives
Prompted by the Encyclopaedia Britannica ending its print publication, performance poet Rives resurrects a game from his childhood. Speaking at the TEDxSummit in Doha, Rives takes us on a charming tour through random (and less random)...
3Blue1Brown
The determinant | Essence of linear algebra, chapter 5
The determinant has a very natural visual intuition, even though it's formula can make it seem more complicated than it really is.
Be Smart
Your Mom is LITERALLY Part Of You!
They say mom's never far away, but I don't think this is what they had in mind. In this episode, learn about the mind-blowing connection you share with your mom. A little bit of you never leaves the other!
SciShow
What's The Oldest Tree in the World
Ancient trees are fascinating, but the answer to the question in the title isn't as cut and dried as it might first seem. There are two major contenders for the superlative, and Hank has all the important information on both of them in...
TED-Ed
TED-Ed: The last living members of an extinct species | Jan Stejskal
In the savannahs of Kenya, two female northern white rhinos, Nájin and Fatu, munch contentedly on grass. They are the last two known northern white rhinos left on Earth. Their species is functionally extinct— without a male, they can't...
TED-Ed
TED-ED: How interpreters juggle two languages at once - Ewandro Magalhaes
Language is complex, and when abstract or nuanced concepts get lost in translation, the consequences may be catastrophic. Given the complexities of language and cultural exchange, how do these epic miscommunications not happen all the...
SciShow
What Are Eye Boogers?
Eye boogers: Not the most glamorous of bodily secretions, but important all the same. Learn why the heck you have sand in your eyes in the morning in this episode of Quick Questions.
Crash Course
Terrorism, War, and Bush 43 Crash Course US History
In which John Green teaches you about the tumultuous 2000's in the United States of America, mainly the 2000's that coincide with the presidency of George W Bush. From the controversial election in 2000, to the events of 9/11 and Bush's...
PBS
How Infinity Explains the Finite
Peano arithmetic proves many theories in mathematics but does have its limits. In order to prove certain things you have to step beyond these axioms. Sometimes you need infinity.
SciShow
The Untold Story of the First Vaccine
Vaccines save millions of lives each year, so we owe a lot to the people that pioneered that medical breakthrough. But the concept of a vaccine had already existed for a long time before it was “discovered,” and the real story is way...
3Blue1Brown
The determinant | Essence of linear algebra, chapter 6
The determinant has a very natural visual intuition, even though it's formula can make it seem more complicated than it really is.
MinuteEarth
Extreme Weather | MinuteEarth Explains
In this collection of classic MinuteEarth videos, we take a look at some of the most extreme weather on Earth and its consequences.
TED-Ed
TED-ED: A clever way to estimate enormous numbers - Michael Mitchell
Have you ever tried to guess how many pieces of candy there are in a jar? Or tackled a mindbender like: _How many piano tuners are there in Chicago?" Physicist Enrico Fermi was very good at problems like these -- learn how he used the...
Bozeman Science
Energy, Work and Power
Mr. Andersen defines the terms energy, work and power. He also uses a simple example to calculate both work and power.
TED Talks
Joel Leon: The beautiful, hard work of co-parenting
"Co-parenting" isn't a buzzword -- it's a way of showing up for your family openly, consistently and lovingly, says storyteller and father Joel Leon. In this moving talk, he challenges all parents to play an equal, active role in their...
Crash Course
Procrastination: Crash Course Study Skills
You're on YouTube right now, but you should probably be studying or writing that research paper. But as long as you're here, we're going to help you figure out how to get the better of your desire to procrastinate in the future. Just...
Crash Course
Langston Hughes & the Harlem Renaissance: Crash Course Literature 215
In which John Green teaches you about the poetry of Langston Hughes. Langston Hughes was a poet and playwright in the first half of the 20th century, and he was involved in the Harlem Renaissance, which was a cultural movement among...
Crash Course
Comets
Today on Crash Course Astronomy, Phil explains comets. Comets are chunks of ice and rock that orbit the Sun. When they get near the Sun the ice turns into gas, forming the long tail, and also releases dust that forms a different tail....
Curated Video
Discovering the Rhinoceros: A Journey into their World
In this video, we explore the fascinating world of rhinoceroses, highlighting their unique characteristics, habitats, and the threats they face. From their distinctive horns to their herbivorous diet, we learn about the different species...