Seeking pleasure comes naturally to us humans, and we experience it in various ways, including sex. But it turns out plenty of other organisms also seek out the feeling of sexual pleasure, even outside mating purposes.

Jessi and Squeaks want to learn about what (and how) owls eat! Time to experiment!

Steve Keil fights the "serious meme" that has infected his home of Bulgaria -- and calls for a return to play to revitalize the economy, education and society. A sparkling talk with a universal message for people everywhere who are...

For the past 200 years, the gallery has been the home of new and cutting-edge art, a place where the art community can come together and share new ideas. In the era of the internet, however, you can view remarkable art from the comfort...

Anger researcher Ryan Martin draws from a career studying what makes people mad to explain some of the cognitive processes behind anger -- and why a healthy dose of it can actually be useful. "Your anger exists in you ... because it...

Artist Tony Luciani was testing out a new camera when his 91-year-old mother, Elia, snuck into the background of his photos. The spontaneous images that resulted sparked a years-long collaboration, with Luciani documenting his mom's life...

You might have felt it -- the feeling that you've experienced something before, but, in reality, the experience is brand new. There are over 40 theories that attempt to explain the phenomenon of deja vu. Michael Molina explains how...

Study after study has shown that napping is awesome. This might make you wonder: should everyone be napping? The answer is more complicated than you might think.

ever wonder how we poop? Learn about the gut -- the system where digestion (and a whole lot more) happens -- as doctor and author Giulia enders takes us inside the complex, fascinating science behind it, including its connection to...

Have you ever been sitting down for a long time and had your legs fall asleep? It feels really weird and can make it hard to walk for a little while! So what makes your legs fall asleep, and why does it feel all prickly when they start...

What aspects of religion should atheists (respectfully) adopt? Alain de Botton suggests a "religion for atheists" -- call it Atheism 2.0 -- that incorporates religious forms and traditions to satisfy our human need for connection, ritual...

Like positive and negative, or debit and credit, matter and antimatter are equal and opposite. So if matter falls down, does antimatter fall up? Chloe Malbrunot investigates that question by placing two atoms - one made of matter, and...

Ever wondered what causes that strange tingling feeling? Well, settle in as Quick Questions explains how it works. Just be careful how you sit.

Whether you get it from standing on the top of Mount Everest or watching a video about the size of the universe on SciShow Space, awe can be a powerful, transformative emotion.

Drugs that treat heart failure are also prescribed for anxiety? What's up with that?

Astringent plant chemicals called tannins bind proteins on mucous membrane and skin, generating a prickly, puckery mouthfeel from foods and letting us “tan” skins into...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. In this passionate talk, Eve Ensler declares that there is a girl cell in us all -- a cell that we have all been...

Filmmaker Newton Aduaka shows clips from his powerful, lyrical feature film "Ezra," about a child soldier in Sierra Leone.

As a democratic revolution led by tech-empowered young people sweeps the Arab world, Wadah Khanfar, the head of Al Jazeera, shares a profoundly optimistic view of what's happening in Egypt, Tunisia, Libya and beyond -- at this powerful...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. How can disadvantaged students succeed in school? For sociologist Anindya Kundu, grit and stick-to-itiveness aren't...

Game designer David Perry says tomorrow's videogames will be more than mere fun to the next generation of gamers. They'll be lush, complex, emotional experiences -- more involving and meaningful to some than real life. With an excerpt...

In this talk from 2003, design critic Don Norman turns his incisive eye toward beauty, fun, pleasure and emotion, as he looks at design that makes people happy. He names the three emotional cues that a well-designed product must hit to...

Most of us have felt it before, that strange sensation that you've been somewhere or seen something before, as if you already remembered what's happening. Are you psychic? Nope, that's just deja vu. Why does deja vu happen? Well,...

Hank delves into the details about that very popular substance: caffeine.