The Gaia space observatory released a detailed 3d map of the Milky Way, and scientists have figured out why Charon's north pole is red!

Having feelings isn't a sign of weakness -- they mean we're human, says producer and activist Nikki Webber Allen. Even after being diagnosed with anxiety and depression, Webber Allen felt too ashamed to tell anybody, keeping her...

Paul Andersen explains a viral replication simulation that he created for his AP Biology class. He used Google docs to keep track of viral strains, Moodle messaging to pass the virus from student to student, and dice to generate...

Throughout her career in banking Ilona Szabó de Carvalho never imagined she'd someday start a social movement. But living in her native Brazil, which leads the world in homicidal violence, she realized she couldn't just stand by and...

The majority of us can probably agree that the sound of nails on a chalkboard is unpleasant, but why is that? Theories range from evolutionary survival mechanisms to the anatomy of the human ear. Find out more in this episode of SciShow!

There is a mind-boggling amount of data floating around our society. Physicists at CERN have been pondering how to store and share their ever more massive data for decades - stimulating globalization of the internet along the way, whilst...

The nuclear family model may no longer be the norm in the US, but it's still the basis for social and economic benefits like health care, tax breaks and citizenship. Lawyer and LBGTQIA advocate Diana Adams believes that all families,...

Both spells and music were born from a freely available folk culture, but are now sold as commercial goods. There are thousands of artists (and witches!) trying to figure out how to make a living in an age where their products can be...

For a crime he committed in his early twenties, the courts sentenced Marlon Peterson to 10 years in prison -- and, as he says, a lifetime of irrelevance. While behind bars, Peterson found redemption through a penpal mentorship program...

A unique ecosystem of plants, birds and monkeys thrives in the treetops of the rainforest. Nalini Nadkarni explores these canopy worlds -- and shares her findings with the world below, through dance, art and bold partnerships.

Why is China appointing thousands of judges to environmental courts and training prosecutors to bring cases to them, even if it means suing the government? Eco-lawyer James Thornton takes us inside the country's growing effort to use the...

The people behind fake posts can rely on a few tricks to get you on board. But there are ways to spot them, and ways to avoid falling for what they have to say.

Is it possible that overfishing, super germs, and global warming are all caused by the same thing? In 1968, a man named Garrett Hardin sat down to write an essay about overpopulation. Within it, he discovered a pattern of human behavior...

When General Stanley McChrystal started fighting al Qaeda in 2003, information and secrets were the lifeblood of his operations. But as the unconventional battle waged on, he began to think that the culture of keeping important...

Today, in our series finale, we're going to talk about the great white whale of navigating online information: your social media feed. Social media shapes both our online and offline behaviors from how we engage in communities and...

When we tell women that sex isn't worth the risk during pregnancy, what we're telling her is that her sexual pleasure doesn't matter ... that she in fact doesn't matter, says sex researcher Sofia Jawed-Wessel. In this eye-opening talk,...

Feeling safe is a human right -- but in many African countries, colonial-era laws make it dangerous for LGBTQIA+ people to gather and share their sexual orientation, gender identity or gender expression. Creating a space that leaves no...

There's no single formula for a great talk, but there is a secret ingredient that all the best ones have in common. TED curator Chris Anderson shares this secret -- along with four ways to make it work for you. Do you have what it takes...

When Nicolas Bourbaki applied to the American Mathematical Society in the 1950s, he was already one of the most influential mathematicians of his time. He'd published articles in international journals and his textbooks were required...

In a forward-looking talk, author Bina Venkataraman answers a pivotal question of our time: How can we secure our future and do right by future generations? She parses the mistakes we make when imagining the future of our lives,...

Life doesn't go from A to B -- it's messy, says sailing legend Tracy Edwards. In this inspiring talk, she tells how she went from teenage misfit to skipper of the first all-female crew in the toughest race on the seas -- and how she now...

As digital assets like cryptocurrency and NFTs become more mainstream, design thinker and head of Instagram Adam Mosseri believes that creators are uniquely positioned to benefit. These blockchain-enabled technologies could remove the...

Our oceans are unexplored and undersampled -- today, we still know more about other planets than our own. How can we get to a better understanding of this vast, important ecosystem? Explorer Sebastien de Halleux shares how a new fleet of...

Professional Arab women juggle more responsibilities than their male counterparts, and they face more cultural rigidity than Western women. What can their success teach us about tenacity, competition, priorities and progress? Tracing her...