Can we, as adults, grow new neurons? Neuroscientist Sandrine Thuret says that we can, and she offers research and practical advice on how we can help our brains better perform neurogenesis—improving mood, increasing memory formation and...

Christopher McDougall explores the mysteries of the human desire to run. How did running help early humans survive -- and what urges from our ancient ancestors spur us on today? McDougall tells the story of the marathoner with a heart of...

For more than 40 years, the Voyager probes have traveled through space sending back all kinds of fascinating data. But these probes were never meant to send us data forever - so how much longer will these amazing probes last?

Since the dawn of humanity, an estimated 100.8 billion people have lived and died, a number that increases by about 0.8% of the world's population each year. What happens to all of those peoples' bodies after they die? And will the...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. How can humans be so compassionate and altruistic -- and also so brutal and violent? To understand why we do what...

From the bell that hasn't stopped ringing, to observing evolution in action, SciShow presents 6 of the Longest Experiments Ever.

Conventional wisdom says that to win an election, you need to play to your constituencies' basest, most divisive instincts. But as a candidate for mayor of Tulsa, Oklahoma, G.T. Bynum decided to skip the smear campaigns, tell voters what...

Past generations found a company to work for and then stayed there for decades. But today, we rarely stay in the same job (let alone on the same career path) and we don't rely on a single income stream. The tools and resources are out...

Google co-founders Larry Page and Sergey Brin offer a peek inside the Google machine, sharing tidbits about international search patterns, the philanthropic Google Foundation, and the company's dedication to innovation and employee...

So we ended the last episode with casual gaming and a more connected gaming community, but these connected communities started much before smartphones and Facebook. Today, we're going to talk about MMORPGs - or Massively Multiplayer...

They've been called the "saints of Somalia." Doctor Hawa Abdi and her daughter Deqo Mohamed discuss their medical clinic in Somalia, where -- in the face of civil war and open oppression of women -- they've built a hospital, a school and...

So now that we’ve built and programmed our very own CPU, we’re going to take a step back and look at how CPU speeds have rapidly increased from just a few cycles per second to gigahertz! Some of that improvement, of course, has come from...

What happens when the way we buy, sell and pay for things changes, perhaps even removing the need for banks or currency exchange bureaus? That's the radical promise of a world powered by cryptocurrencies like Bitcoin and ethereum. We're...

If you want to get into space, you need combustible fuel. But if you want to stay operational in space, you need to harness the power of the sun itself.

It's been 25 years since the first PC virus (Brain A) hit the net, and what was once an annoyance has become a sophisticated tool for crime and espionage. Computer security expert Mikko Hyppönen tells us how we can stop these new viruses...

Uploading your mind to a computer might one day let humans cheat death. The technology’s a long way off, but researchers are working on closing that gap. This episode was brought to you and inspired by the movie Self/less.

The software running Apollo's guidance computers was literally woven by hand by "little old ladies."

Recent events have highlighted, underlined and bolded the fact that the United States is performing blanket surveillance on any foreigner whose data passes through an American entity -- whether they are suspected of wrongdoing or not....

Have you ever worried that running causes more problems than it solves?

You know how resolutions often go: you set a goal and start strong ... then the motivation runs out and feelings of frustration and shame creep in. The struggle is real -- but what if it doesn't have to be? Sociologist Christine Carter...

What's the deal with that sharp pain in your side when you're trying to win that marathon? SciShow has the answers!

We've talked about a lot of extreme environments in the solar system, but the sun just might be the MOST extreme! Join SciShow as we dive a little deeper into our friendly neighborhood star.

Poet Suheir Hammad performs two spine-tingling spoken-word pieces: "What I Will" and "break (clustered)" -- meditations on war and peace, on women and power. Wait for the astonishing line: "Do not fear what has blown up. If you must,...

Astronomers have found a couple galaxies that were much larger than expected, and the Opportunity rover might be in for some harsh Martian weather!