Crash Course
Let's Talk About Sex: Crash Course Psychology
Sex is complicated for different reasons in different cultures. But, it's the entire purpose of life, so there's no reason to blush. In this episode of Crash Course Psychology, Hank talks about Kinsey, Masters and Johnson, Sexuality,...
SciShow
This Planet is Only Half Covered in Lava
There are a lot of weird exoplanets out there, like 55 Cancri e (aka Janssen), which is probably half covered in lava. But the half that's covered in lava might not be quite the half you're thinking of.
PBS
Aging Maine repays college debts to attract younger workers
Maine, land of lobsters and lighthouses, is also the nation's oldest state. With a median age of 43, roughly a third of its population is in or approaching retirement. To counter its aging workforce, the state is attempting to attract...
PBS
Michael Beschloss chronicles American 'Presidents of War'
"When it came to involving the nascent republic in military conflict, one of the founding fathers' biggest fears was that American presidents would be reckless and aggressive to suit their own agendas. Judy Woodruff sits down with...
PBS
Coronavirus Pandemic Finally Hits Home For The United Kingdom
In the United Kingdom just days ago, the attitude toward the novel coronavirus pandemic was “keep calm and carry on.” Now, however, the stakes are higher -- and the national feeling more grim. Prime Minister Boris Johnson has ordered...
PBS
Biographer Robert Caro on why it's taking decades to fully capture LBJ
Robert Caro is one of the nation’s preeminent biographers, known for meticulous research and taking his time with a subject. Indeed, he began his massive series "The Years of Lyndon Johnson" in 1977, but its final volume won't be...
Curated Video
Let's Talk About Sex: Crash Course Psychology
Sex is complicated for different reasons in different cultures. But, it's the entire purpose of life, so there's no reason to blush. In this episode of Crash Course Psychology, Hank talks about Kinsey, Masters and Johnson, Sexuality,...
Curated Video
Jesse Jackson: Crash Course Black American History #44
Today, Clint Smith is teaching you about the Civil Rights activist and Icon, Reverend Jesse Jackson. Jackson began his career working with Martin Luther King in the 1960s, and in the 1970s he founded PUSH, an organization to advance the...
Crash Course
English Theater After Shakespeare: Crash Course Theater #17
This week on Crash Course Theater, Shakespeare is dead. Long live Shakespeare. Well, long live English theater, anyway. Actually, it's about to get banned. Anyway, we're discussing where English theater went post-1616. We'll talk about...
Crash Course
Reconstruction and 1876 Crash Course US History
In which John Green teaches you about Reconstruction. After the divisive, destructive Civil War, Abraham Lincoln had a plan to reconcile the country and make it whole again. Then he got shot, Andrew Johnson took over, and the...
TED Talks
David Holt: The joyful tradition of mountain music
Folk musician and storyteller David Holt plays the banjo and shares photographs and old wisdom from the Appalachian Mountains. He also demonstrates some unusual instruments like the mouth bow -- and a surprising electric drum kit he...
SciShow
Great Minds: Katherine Johnson, Human Computer
In the early days of spaceflight, if NASA needed to plot a rocket's path or confirm a computer's calculations, they knew who to ask: Katherine Johnson.
TED-Ed
TED-Ed: Ethical dilemma: The burger murders | George Siedel and Christine Ladwig
You founded a company that manufactures meatless burgers that are sold in stores worldwide. But you've recently received awful news: three people in one city died after eating your burgers. A criminal has injected poison into your...
SciShow
Three Great Minds Behind Apollo 11 | Compilation
It's the 53rd anniversary of the Apollo 11 launch, a monolith in mankind's journey to the stars. Celebrate with this compilation of great minds that lended their knowledge to the momentous event.
SciShow
How The One-Shot COVID Vaccine Changes Things
The Johnson & Johnson COVID-19 vaccine is now the third approved for emergency use authorization in the United States, and it's a little different from its predecessors.
Crash Course
The Underground Railroad Crash Course Black American History
Escape was one of the many ways that enslaved people resisted their captivity in the system of American slavery. The Underground Railroad was not literally a railroad. It was a network of people, routes, and safe houses that helped...
SciShow
Why Do I Have to Use a Number 2 Pencil?
Why do exams always tell you to use a number 2 pencil? What happens if you don't? Quick Questions explains!
SciShow
What Does a 95% Effective Vaccine Really Mean?
If you've received a vaccine that's 95% effective, that does not mean you have a 5% chance of getting sick. That’s just not how the numbers are calculated. So let’s take a closer look at how it does work, why we can’t compare these...
Crash Course
The Cold War in Asia Crash Course US History
In which John Green teaches you about the Cold War as it unfolded in Asia. As John pointed out last week, the Cold War was occasionally hot, and a lot of that heat was generated in Asia. This is starting to sound weird with the hot/cold...
Crash Course
The Rise of Conservatism Crash Course US History
In which John Green teaches you about the rise of the conservative movement in United States politics. So, the sixties are often remembered for the liberal changes that the decade brought to America, but lest you forget, Richard Nixon...
Crash Course
Marsha P. Johnson and the Stonewall Rebellion: Crash Course Black American History #41
Today we’re learning about Marsha P. Johnson and the Stonewall rebellion. Serving as a pivotal moment in the modern Gay Rights Movement, Stonewall began on June 28th, 1969, and lasted six days in New York City’s Greenwich Village. And...
TED Talks
Mary Roach: 10 things you didn't know about orgasm
"Bonk" author Mary Roach delves into obscure scientific research, some of it centuries old, to make 10 surprising claims about sexual climax, ranging from the bizarre to the hilarious. (This talk is aimed at adults. Viewer discretion...