Human language is an incredible thing: a combination of mouth sounds that we combine into words, sentences, poems, and constitutions. They carry meaning, emotion, and power. But underneath it all, language is really just physics. In this...

Biology is the study of life—a four-letter word that connects you to 4 billion years worth of family tree. The word “life” can be tricky to define, but a shared set of characteristics helps biologists identify living things. In this...

Conflict is an unavoidable part of any relationship. But what if the point of arguing isn't to win, but rather to grow from the experience? Facilitator Darya Shaikh presents a powerful framework for managing conflicts, showing how you...

Your inner voice is a powerful tool for self-reflection and planning, but it can also trap you in negative thought loops — “chatter,” as psychologist and neuroscientist Ethan Kross calls it. He shares tips for quieting the less helpful...

Vigilance. Grit. Resilience. Valerie Montgomery Rice, the president and CEO of Morehouse School of Medicine, shares where she learned these key qualities of successful leadership, offering three lessons for anyone who wants to overcome...

For transgender and nonbinary people, hormone replacement therapy has become one of the standards of care. But what is it, exactly? And what can people receiving the therapy expect? SciShow has the answers.

Conversation is a battlefield with only one winner. Or is it? Comedian and author Jordan Klepper believes we can get better at talking to each other (and perhaps save democracy) by learning how to lose.

A flourishing democracy next door is a scary thing for an autocrat, says Ukrainian historian Olesya Khromeychuk. Detailing the history of Ukraine's long struggle for sovereignty and freedom — against Russian tsars, communist dictators...

In the Many Worlds interpretation of quantum mechanics, the universal wavefunction is the reality, encompassing all possible histories and futures and all exist. But we are only sensitive to a slice of the wavefunction corresponding to...

Ever think you'd hear Sandra Bullock, Britney Spears and Dolly Parton in one TED Talk? Here they are, courtesy of "Saturday Night Live" star Melissa Villaseñor. She shares the life lessons of a comedian -- complete with celebrity...

A clip from America Ferrera's TED Talk "My identity is a superpower -- not an obstacle" from TED2019 Hollywood needs to stop resisting what the world actually looks like, says actor, director and activist America Ferrera. Tracing the...

We're taught to be cool around strange dogs because they smell fear, and that might be true, but your fear is probably freaking them out too!

This week on SciShow News: Animals! New research has found how dogs actually listen to us in more complex ways than you probably thought, and also figured out how a kind of pufferfish gets its puff up.

Singing in the shower seems to sound better, but what is actually happening to the sound waves in that soapy, tiled room?

Learn about the history of dudes, and a new theory about deep voices in this new episode of SciShow News. You know, science... bro... stuff. Hosted by: Hank Green

AI-generated media that looks and sounds exactly like the real world will soon permeate our lives. How should we prepare for it? AI developer Tom Graham discusses the extraordinary power of this rapidly advancing technology, demoing...

Video games naturally tap into the way we learn: they focus our attention and track our progress as we head toward a clear goal. Kris Alexander, a professor of video game design and passionate gamer himself, thinks the same elements...

Conservation champion and TED Fellow Adjany Costa is on a mission to empower Indigenous communities. Instead of imposing pre-designed policy and plans on local people, she says, conservation efforts should center those who know the land...

In 1998, a school district removed one of American literature's most acclaimed works from its curriculum. Parents pushing for the ban said the book was both "sexually explicit" and "anti-white." The book at the center of this debate was...

This animation is part of the TED-Ed series, "There's a Poem for That," which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. [Poem by Denice Frohman, directed by KAPWA /...

Many ancient sites had some truly amazing effects on sound waves, suggesting that early cultures may have built spaces to evoke certain sensation. And by studying the acoustics of these structures, we can learn new things...

In the 1930s, broadcast radio introduced an entirely new form of storytelling; today, micro-blogging platforms like Twitter are changing the scene again. Andrew Fitzgerald takes a look at the (aptly) short but fascinating history of new...

While doctors take an oath to do no harm, there's a good chance their unconscious biases can seep into how seriously they take your pain. Physician Sheetal DeCaria explains how perception impacts medical care and treatment -- and calls...

With fantastic new maps that show interactive, visual representations of urban fragility, Robert Muggah articulates an ancient but resurging idea: cities shouldn't just be the center of economics -- they should also be the foundation of...