Frozen water molecules don’t seem to be all that interesting. But, these eight weird things that ice can do are truly mind-boggling.

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The United States can create a more humane immigration system; in fact, it's been done before, says policy analyst David J. Bier. Pointing to the historical success of the US guest worker program, which allows foreign workers to legally...

Paul Andersen reviews the major concepts within the second unit of the new AP Biology framework. He starts by describing how life is organized into three domains. He explains how the history of life on the planet is...

In this video Paul Andersen shows conceptual thinking in a mini-lesson on thinking in scale.


TERMS
Phenomena - observable events in the natural world (require exp
lanations)
Time - an irreversible s
eries of...

Russia went and had a revolution in 1917 and cinema was a big part of its aftermath. Even though film stock was hard to come by, we saw the first film school started, and the study of film became hugely important. Russian filmmakers...

It's really difficult for life to create blue pigments, but the color can appear in a handful of compounds that create just the right conditions to reflect blue photons.

How can architects build a new world of sustainable beauty? By learning from nature. Michael Pawlyn describes three habits of nature that could transform architecture and society: radical resource efficiency, closed loops, and drawing...

What's so special about Leonard da Vinci's Vitruvian Man? With arms outstretched, the man fills the irreconcilable spaces of a circle and a square -- symbolizing the Renaissance-era belief in the mutable nature of humankind. James Earle...

Who deserves to be in a museum? For too long, the answer has been "the extraordinary" -- those aspirational historymakers who inspire us with their successes. But those stories are limiting, says museum curator Ariana Curtis. In a...

Today is exciting, because Jessi and Squeaks are making parachutes! Tag along to learn how you can make your own, and what forces are being used to make your parachute work!

The promise of the metaverse extends far beyond digital spaces -- it can transform and enrich how we experience the material world, too. From video games that bring communities together to digital art that collides with physical spaces,...

Today we’ll cover the fourth and final of our core disciplines of engineering: chemical engineering. We’ll talk about its history and evolution going from soda ash competitions to oil refineries and renewable energies. We’ll also discuss...

Getting pregnant as a track and field athlete is often called the "kiss of death" -- a sign your athletic career will soon end. Olympic champion, entrepreneur and proud mother Allyson Felix thinks it shouldn't be that way. She tells the...

Time Magazine has called it "the most horrible drug in the world," and last month, it hit the US. Because seriously, why would you take a drug that rots your flesh, bones, and brain?!

When global leaders think about which industries can fuel economic growth, the arts are often overlooked. But filmmaker Mehret Mandefro says the creative sector actually has the power to grow economies -- while also helping safeguard...

In this talk and tech demo, filmmaker Diego Prilusky introduces the next chapter in moviemaking: volumetric video, a 360-degree experience powered by hundreds of cameras that capture light and motion from every angle. Check out how this...

What do you see in clouds? Bunnies? Zombies? The face of Nic Cage? There are some kinds of clouds that, while rare, make even weirder shapes -- like pancakes, rolling cylinders, and shimmery rainbows.

Get the behind-the-scenes story from visual strategist Dan Goods about how a single question launched NASA's Jet Propulsion Lab into action at the beginning of the COVID-19 pandemic, propelling an unprecedented pivot from...

You might think that fish ride the undercurrents with all their buds to avoid the hungry mouths of predators - safety in numbers, right? But, it turns out, there’s more to consider when asking why fish swim in schools.

In a talk that could change how you see things, designer and artist Jiabao Li introduces her conceptual projects that expose the inherent bias of digital media. From a helmet that makes you "allergic" to the color red to a browser...

How to Turn Sound Into Light - Sonoluminescence

In this video Paul Andersen shows conceptual thinking in a mini-lesson on simulating systems.

T
ERMS:
Simulations - imitation of a situation
or process
Interactions - reciprocal (two-way) acti
on or...

Every 24 hours, wind generates enough kinetic energy to produce roughly 35 times more electricity than humanity uses each day. And unlike coal or oil, this resource is totally renewed each day. So how can we harness this incredible...

Cities designed like families can last for generations. Skeptical? Look to master architect Liu Thai Ker, who transformed Singapore into a modern marvel with his unique approach to sustainable urban design. Liu shares creative wisdom and...