A new friend Savannah and Sam learn about different kinds of igneous rocks, which form after liquid magma or lava cools into solid rock.

In this video Paul Andersen shows you how to use mathematical and computational thinking in a mini-lesson on measuring and graphing quantities. Two examples are included in the video and two additional examples are included in the...

Across life on Earth, blood comes in red, blue, green, purple, even clear. But why? And what makes your blood different from mine? This video will teach you everything you need to know about the strange world of blood—what it does, why...

When we say a meme goes “viral,” we aren't actually saying it's making people sick. But the math behind a meme’s spread suggests it's actually a pretty spot-on analogy.

This conversation between the head of TED, Chris Anderson and NYU professor Scott Galloway explores the widespread impact of Galloway's recent TED talk, which received both overwhelmingly positive feedback and constructive pushback....

Nutritious crops aren't getting to the people who need nutrition most, even in one of the most fertile places on Earth: Indonesia. Exploring some of the forgotten foods from the country's more than 17,000 islands, food entrepreneur...

What can we do to make workplaces more welcoming to people living with disabilities? Representation advocate Tiffany Yu shares three ways that employers can change and tap into every worker's skills and gifts.

Amphibole asbestos has been (mostly) illegal in the United States since 1989. So why is the EPA just banning chrysotile asbestos in the year 2024? And is chrysotile really safer?<b<br/>r/>

There's a lot of interest in knowing your future when you're a kid. But one thing you can know with basically 100% certainty isn't one you'd expect - your risk of developing type one diabetes. So if one simple blood test can tell you if...

When it comes to a beverage menu, I don't usually want to see "tears" on the list. But these three animals do, including bees whose favorite drink is human tears!

Catching cancer at its earliest stages saves lives. But in a body made up of trillions of cells, how do you spot a small group of rogue cancer cells? Biomedical researcher Hani Goodarzi discusses his lab's discovery of a new class of...

In a globe-trotting career that has spanned corporations, governments, nonprofits and philanthropy, Rosita Najmi has often found herself translating among them. Instead of focusing on leadership style, she makes the case for becoming...

Paul Andersen introduces Anatomy and Physiology in this podcast. He starts by describing how the form of an object fits the function. He then explains the themes of homeostasis and hierarchy. He describes the four major types of...

Vaccines for covid or the flu teach your immune system to remember a threat so that it responds when that threat shows up. Some researchers want to delete immune memories instead, because those aberrant memories are the cause of...

It's that time of year where we round up all our favorite science discoveries of the year, and today, we're talking fossils. From a wild mosasaur with screwdriver teeth, to glittery gold fossils, and even a mammal-versus-reptile fight to...

People have strong opinions about which kind of keyboard is best, but science has settled the debate.

We all know our favorite fonts, but did you ever think about why some fonts are just clearer than others? Well there's a surprising amount of research into just what makes certain fonts better, and there's a case to be made for that...

The food we eat affects us in many ways. A recent study from Massachusetts General Hospital and Harvard Medical School found a link between the consumption of ultra-processed foods and an increase in the risk of depression. Ali Rogin...

The bubonic plague killed so many people in Europe, the Middle East, and North Africa that that natural selection event is still rippling through our genomes today. But the same genes that helped your ancestors survive the Black Death...

Occultations may sound spooky, but in actuality they can inform us of some of the most unknown parts of the universe.

One of the most bizarre proposals for life not as we know it doesn’t even use atoms. It proposes that fundamental kinks and defects in the fabric of the universe - cosmic strings beaded with magnetic monopoles - may evolve into complex...

The weird rules of quantum mechanics lead to all sorts of bizarre phenomena on tiny scales— particles teleporting through walls or being in multiple places at once or simultaneously existing and not. Shame all this magical behavior...

By the time you've read this, a billion billion dark matter particles may have streamed through your body like ghosts. The particle or particles of the dark sector make up the vast majority of the mass of the universe - so to them, we're...

The foundations of quantum theory rests on its symmetries. For example, it should be impossible to distinguish our universe from one that is that is the perfect mirror opposite in charge, handedness, and the direction of time. But one by...