How can we fit more people into cities without overcrowding? Kent Larson shows off folding cars, quick-change apartments and other innovations that could make the city of the future work a lot like a small village of the past.

The subject of race can be very touchy. As finance executive Mellody Hobson says, it's a "conversational third rail." But, she says, that's exactly why we need to start talking about it. In this engaging, persuasive talk, Hobson makes...

*Yaaawwwwwn* Did just reading the word make you feel like yawning yourself? Known as contagious yawning, the reasons behind this phenomenon have been attributed to both the physiological and psychological. It's been observed in children...

When molecules collide, chemical reactions can occur -- causing major structural changes akin to getting a new arm on your face! George Zaidan and Charles Morton playfully imagine chemical systems as busy city streets, and the colliding...

With warmth and grace, Beth Malone tells the deeply personal story of her dad's struggle with frontotemporal lobe dementia, and how it changed how she thinks about death (and life). A moving talk about a daughter's love -- and of letting...

Hank talks about some of the structures in our bodies that are "leftover" from previous evolutionary phases of humanity.

The hymen is a human structure that is surrounded by myths and misunderstandings. So today, we shed some light on what the hymen actually is, where it comes from, and why it can’t actually tell you anything about a person.

There are some persistent myths about human psychology that appear on TV all the time. But people are complicated, and a lot of times, what we (and these shows) take to be true about human nature… may not be as accurate as we think.

Does texting mean the death of good writing skills? John McWhorter posits that there’s much more to texting -- linguistically, culturally -- than it seems, and it’s all good news.

What is altruism? Put simply, it's the wish that other people may be happy. And, says Matthieu Ricard, a happiness researcher and a Buddhist monk, altruism is also a great lens for making decisions, both for the short and long term, in...

Michael Collins isn't as recognizable a name as Buzz Aldrin and Neil Armstrong, but his job on the Apollo 11 mission was just as important.

SciShow News shares the latest insights into two powerful natural forces: El Nino and barfing.

Negotiating thermostat settings can be really frustrating, but your officemate isn't trying to freeze you out on purpose. Stefan explains the science behind why people experience temperatures differently.

Fun fact: Stefan wears a...

How likely is a 21st-century epidemic of the plague? Unlike other diseases, the plague is alive and well in some parts of the world, but scientists and doctors are continuing to develop better treatments.

On one awful night in 1995, Ples Felix's 14-year-old grandson murdered Azim Khamisa's son in a gang initiation fueled by drugs, alcohol and a false sense of belonging. The deadly encounter sent Khamisa and Felix down paths of deep...

Benjamin Zander has two infectious passions: classical music, and helping us all realize our untapped love for it -- and by extension, our untapped love for all new possibilities, new experiences, new connections.

Stella Young is a comedian and journalist who happens to go about her day in a wheelchair — a fact that doesn't, she'd like to make clear, automatically turn her into a noble inspiration to all humanity. In this very funny talk, Young...

Certain cognitive biases cause humans to make unsafe decisions in a pandemic, making a terrible disease even worse.

Hank gets to chat with David Bodanis: an author, and expert on Albert Einstein. They discuss Einstein's fame and his feelings about the aesthetics of science, as well as Bodanis' upcoming book: "Einstein's Greatest Mistake".

Ancient civilizations developed clever solutions to their unique challenges and environments, and learning from those engineers can help us build a greener world today.

We tend to think of COVID-19 as a lung infection, but there's more evidence that it might also be affecting the hearts of healthy athletes without them even knowing it.

With up to ten years in prison at stake, will Wanda rat Fred out? Game theory is looking at human interactions through the lens of mathematics.

How do you raise money to get an idea off the ground, support a community, or help change the world? Take a crash course on the secret art of successful fundraising with development strategist Kara Logan Berlin as she shows how you can...

In the ongoing debate about globalization, what's been missing is the voices of workers -- the millions of people who migrate to factories in China and other emerging countries to make goods sold all over the world. Reporter Leslie T....