Humans have been using microbes to separate minerals from mud since the middle of the last century, so we know biomining works on earth. But how will these tiny miners work in microgravity?

Childcare needs a transformation -- but rather than investing billions in new buildings and schools, what if we could unlock the potential of people already nearby? Entrepreneur Chris Bennett offers an innovative way to tackle the...

The Enneagram, like many personality tests, isn't well backed-up by scientific research, but its popularity in spite of that can give us a window into how the human mind works.

You may have had an ultrasound before, and wondered what that gel does. Well, that weird alien goop has a purpose, and it has to do with being like our weird human skin.

Paul Andersen explains how organisms respond to the external environment. He begins with a discussion of behavioral responses like hibernation and migration. He ends with a discussion of physiological responses like shivering and...

Just what is the difference between sensing and perceiving? And how does vision actually work? And what does this have to do with a Corgi? In this episode of Crash Course Psychology, Hank takes us on a journey through the brain to...

Hank demonstrates how to build a hybrid rocket engine in your kitchen!

The same chemistry that makes plastic tough, light and flexible also makes it nearly impossible to get rid of, because it’s hard to break those resilient chemical bonds.

As the narrative goes, fat is bad. Well, it's actually more nuanced than that. The type of fat you eat is more impactful on your health than the quantity. George Zaidan examines triglycerides, the varied molecules that make up fat, and...

It turns out this common phrase might have more of a basis in truth than you thought!

Did you know there's a way to make art using the light from the sun? It's called a cyanotype, and Mister Brown is going to tell you all about how they work, and how to make your own!

Join The Amoeba Sisters as they explain the biotechnology PCR. This video goes into the basics of how PCR works as well as two examples of its potential use. Table of Contents: 00:00 Intro 1:34 How does PCR work? 4:31 Why use PCR? 5:10...

At Camp Diva, Angela Patton works to help young girls and their fathers stay connected and become part of each others' lives. But what about girls whose fathers can't be there -- because they're in jail? Patton tells the story of a very...

Have you ever gone through your laundry and noticed unsightly yellow stains in all of your white shirts? If your sweat isn't yellow, what's causing this?

No matter how healthy you are, you likely end up feeling sick at least a few times a year. And we have many pharmaceutical options these days to help us feel better. But some non-pharmaceutical remedies are supported by science,...

Do you need some help? It's OK to ask, says YeYoon Kim, a former kindergarten teacher who learned from her students how powerful and courageous it can be to reach out for support. Sharing the story of one of the most difficult periods in...

In this episode, we talk about Silicon Valley's namesake and how network solids are at the heart of it all. Hank also discusses Solid-State Semiconductors, N-Type and P-Type Semiconductors, Diodes, Transistors, Computer Chips,...

Scientists believe that your taste receptors are meant for taste, but how do they explain the taste receptors on your lungs?

The days of oil may be numbered, but there's another natural resource that's never been touched, Asteroids.

Explore the science of the groundbreaking technology for editing genes, called CRISPR- Cas9, and how the tool could be used to cure diseases. -- From the smallest single-celled organism to the largest creatures on Earth, every living...

Everybody has their own preferences for ideal romantic partners. But what affects you when you decide your “type," and do those types even matter?

In 2020, many cities started monitoring wastewater for viruses, and there are a lot of non-virus reasons to keep doing it.

Over just 20 years, the Stingray nebula has become anywhere from 29 to 900 times dimmer! It could teach us a ton about how nebulas evolve over time, and what happens when everything is going a lot faster than expected.

How does one experience synesthesia -- the neurological trait that combines two or more senses? Synesthetes may taste the number 9 or attach a color to each day of the week. Richard E. Cytowic explains the fascinating world of entangled...