Nuclear power: the energy crisis has even die-hard environmentalists reconsidering it. In this first-ever TED debate, Stewart Brand and Mark Z. Jacobson square off over the pros and cons. A discussion that'll make you think -- and might...

Statistics are persuasive. So much so that people, organizations, and whole countries base some of their most important decisions on organized data. But any set of statistics might have something lurking inside it that can turn the...

What does it look like inside the mind of a machine? Inspired by the architectural vision of a futuristic Los Angeles in "Blade Runner," media artist Refik Anadol melds art with artificial intelligence in his studio's collaborations with...

SciShow Space is one year old! And we’re celebrating by talking about new plans for a mission we told you about in our very first episode of SciShow News!

Hank and Tabetha discuss the mysterious star KIC 8462852 and what might explain its odd behavior (It's probably not an alien megastructure).

The International Ultraviolet Explorer was the first of its kind, giving us glimpses into phenomena like supernovas and Halley's comet. So why do we hear so little about it?"

The HMS Challenger embarked in the 1870s to survey the world’s oceans. The data the expedition collected is still being used over 100 years later to inform what we know about climate change.

One of the internet's favorite pastimes is arguing, but very few of those arguments ever actually go anywhere. It can be frustrating to watch, but scientists have some ideas on why things play out the way they do.

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...

Say hello to the decentralized economy -- the blockchain is about to change everything. In this lucid explainer of the complex (and confusing) technology, Bettina Warburg describes how the blockchain will eliminate the need for...

Oceanographer Paul Snelgrove shares the results of a ten-year project with one goal: to take a census of all the life in the oceans. He shares amazing photos of some of the surprising finds of the Census of Marine Life.

Experts can't agree on the definition of the term "concussion," which makes it difficult to diagnose, treat, and research this important brain injury....

Click here to find out more about "New Planets Found!" and "SUPER EARTH Orbiting Our Sun!". Ignore the clickbait...Hank Green explains what might have been found in this episode of SciShow Space.

Millennials and Gen Z will inherit 30 trillion dollars of wealth in the coming decades, and what they do with their money will have an incredible impact on the future of the planet, says impact investor Miguel Goncalves. He makes a case...

Does collecting more data lead to better decision-making? Competitive, data-savvy companies like Amazon, Google and Netflix have learned that data analysis alone doesn't always produce optimum results. In this talk, data scientist...

This week we’ll see how economies can be broken down into the primary, secondary, and tertiary sectors. We’ll look at the three stages of economic revolution that brought us to the modern post-industrial era. We’ll also explore two types...

City agencies have access to a wealth of data and statistics reflecting every part of urban life. But as data analyst Ben Wellington suggests in this entertaining talk, sometimes they just don't know what to do with it. He shows how a...

What if we could grow delicious, nutrient-dense food, indoors anywhere in the world? Caleb Harper, director of the Open Agriculture Initiative at the MIT Media Lab, wants to change the food system by connecting growers with technology....

What does a cultural Big Bang look like? For Amit Sood, director of Google's Cultural Institute and Art Project, it's an online platform where anyone can explore the world's greatest collections of art and artifacts in vivid, lifelike...

Equity expert Sara Sanford offers a certified playbook that helps companies go beyond good intentions, using a data-driven standard to actively counter unconscious bias and foster gender equity -- by changing how workplaces operate, not...

In this video Paul Andersen explains how chemical analysis is important in determining the composition, purity and empirical formula of a compound. An empirical formula determination problem is also included.

Astronomers once gazed upon the night sky and counted every star in the galaxy by hand. The process has evolved since then, but the thirst for celestial knowledge remains the same. Join astrophysicist Emily Levesque for an anecdote-rich...

Astronomers have gotten pretty good at calculating how fast the universe is expanding, but new measurements don’t line up with the predictions of well-tested laws of physics. Now scientists have a new question to ponder: Why are these...

We are living in a world that is tantalizingly close to ensuring that no one need die of hunger or malaria or diarrhea, says economist Michael Green. To help spur progress, back in 2015 the United Nations drew up a set of 17 goals around...