At the US-Mexico border, policies of prolonged detention and family separation have made seeking asylum in the United States difficult and dangerous. In this raw and heartfelt talk, immigration attorney Erika Pinheiro offers a glimpse...

The first step to world peace is for people to meet each other. We can't all travel the world at the same time, but we can meet each other in other ways. In this talk, Jehane Noujaim unveils her 2006 TED Prize wish: to bring the world...

In this powerful talk from TEDGlobal, Rebecca MacKinnon describes the expanding struggle for freedom and control in cyberspace, and asks: How do we design the next phase of the Internet with accountability and freedom at its core, rather...

Aaron Huey's effort to photograph poverty in America led him to the Pine Ridge Indian Reservation, where the struggle of the native Lakota people -- appalling, and largely ignored -- compelled him to refocus. Five years of work later,...

Earlier this month, we talked with Daniel Skovronksy, the Chief Scientific Officer of Eli Lilly, about their colorfully-named COVID-19 treatments. We also discussed the challenges of mass-producing antibodies and how medicine might...

Clint Smith teaches you about one of the most famous writers, orators, and advocates of the 19th century, Frederick Douglass. Douglass was born in slavery, escaped to the North, and became one of the most influential people of his time....

When you work, you expect to be paid for it. Except, for millions of Americans employed across a range of industries like restaurants and construction, that's not always the case. Anthropologist Rebecca Galemba explores the...

The Apollo program was famous for being risky and expensive. It had a crunched timeline, daring astronauts, and lacked modern tech, and that all kind of makes you wonder… was the Apollo program a bad idea?

The price of insulin in the US is both outrageous and deadly to those who can't live without it. Diabetes advocate Brooke Bennett shares her own struggles living with type 1 diabetes and how the astronomical cost of a life-saving drug...

SciShow News explains an ominous record that Homo sapiens just broke: the highest levels of carbon dioxide emissions, the leading factor in global warming. Hank explains what it means, and what we can do.

The world needs clean power, but decarbonization calls for a massive increase in the mining and extraction of minerals like lithium, graphite and cobalt. Environmental peacemaking expert Olivia Lazard sheds light on the scramble for...

The Bone Wars resulted in the description of some of the most famous dinosaurs we know of today, but not without some pretty big mistakes.

Many people think the lines on the map no longer matter, but Parag Khanna says they do. Using maps of the past and present, he explains the root causes of border conflicts worldwide and proposes simple yet cunning solutions for each.

The developed world holds up the ideals of capitalism, democracy and political rights for all. Those in emerging markets often don't have that luxury. In this powerful talk, economist Dambisa Moyo makes the case that the west can't...

Months after he was born, in 1948, Ron McCallum became blind. In this charming, moving talk, he shows how he reads -- and celebrates the progression of clever tools and adaptive computer technologies that make it possible. With their...

In this episode Hank talks about global medical history and recorded death certificates with journalist Jeremy Smith. Special guest from Animal Wonders and SciShow Kids Jessi Knudsen Castañeda brings Freya the Northern Pine Snake.

In 1775, General George Washington received a poem from one of colonial America's most famous writers. Its verses praised the burgeoning revolution, invoking the goddess of their new nation to aid the general's cause. But this ode to...

Penicillin changed everything. Infections that had previously killed were suddenly quickly curable. Yet as Maryn McKenna shares in this sobering talk, we've squandered the advantages afforded us by that and later antibiotics....

What will happen to the planet if climate change melts what's left of Arctic permafrost? Shedding light on this overlooked threat, Arctic geologist Sue Natali reveals the true danger of heating up the iciest place on the planet: the...

Bill Strickland tells a quiet and astonishing tale of redemption through arts, music, and unlikely partnerships.

In which John Green teaches you about the War of 1812. The War of 1812 was fought between the United States and its former colonial overlord England. It started in, you guessed it 1812. The war lasted until 1815, and it resolved very...

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...

Hans Rosling had a question: Do some religions have a higher birth rate than others -- and how does this affect global population growth? Speaking at the TEDxSummit in Doha, Qatar, he graphs data over time and across religions. With his...

Is it okay if I totally trash your office? It's a question elyn Saks once asked her doctor, and it wasn't a joke. A legal scholar, in 2007 Saks came forward with her own story of schizophrenia, controlled by drugs and therapy but...