Sometimes, you ask ChatGPT to do a math problem that an arithmetically-inclined grade schooler can do with ease. And sometimes, ChatGPT can confidently state the wrong answer. It's all due to its nature as a large language model, and...

What if, no matter how strong your password was, a hacker could crack it just as easily as you can type it? In fact, what if all sorts of puzzles we thought were hard turned out to be easy? Mathematicians call this problem P vs. NP, it...

Humans are great at creating, and solving, problems. Hank talks with Gina McCarthy about the biggest public health problem we face today: climate change. Gina McCarthy is the Director of C-CHANGE (Center for Climate, Health and the...

Bones, you probably have them and they're for more than holding your body upright.

From Pokémon, to fMRI, to the relationship between masculine norms and mental health, 2016 left us with some interesting psych news to ponder.

The Islamic Golden Age of Science is largely to thank for our scientific developments today. Around 750-1250 CE, the Islamic empire made incredible scientific advancements that changed the course of history! Join Michael Aranda for a...

The Internet is older than you might think!

The world of cryptocurrency and NFTs is riddled with controversy, but somewhere amid all of that blockchain there's some reckoning with reality that must be done.

Charles Darwin had a great mind, but a not-so great body. Scientists have spent years trying to uncover the mysteries of his poor health.

Lead is really useful when you add it to things like paint and gasoline. Problem is, it’s also poisonous. Hosted by: Hank Green

While studying inequality and social mobility, Richard Reeves made a surprising discovery: in some countries, like the US and UK, boys are drastically lagging behind girls across many academic measures. He explains why these struggles in...

In a practical, playful talk, leadership visionary Anne Morriss reinvents the playbook for how to lead through change -- with a radical, one-week plan to build trust and fix problems by following a step per day.

What if leadership at work wasn't for a select few, but rather shared among many? Management consultant Gitte Frederiksen gives us the recipe for "distributed leadership" -- dynamic, multidimensional networks of leaders that tap into...

People say Einstein had an IQ of 160, and you need an IQ score higher than 130 to join Mensa. But does IQ really measure how intelligent you are?

Isaac Newton's Universal Law of Gravitation tells us that there is a singularity to be found within a black hole, but scientists and mathematicians have found a number of issues with Newton's equations. They don't always accurately...

Stem cells are widely believed to hold great promise in medical research because of their ability to transform into all sorts of other cell types, and scientists can grow it in living mice.

Today's math curriculum is teaching students to expect -- and excel at -- paint-by-numbers classwork, robbing kids of a skill more important than solving problems: formulating them. Dan Meyer shows classroom-tested math exercises that...

Physicists are interested in the big questions like "Where did we come from?" and "What is all this stuff?". But the answers to some of these questions, just lead to more questions.

Historian George Dyson tells stories from the birth of the modern computer -- from its 17th-century origins to the hilarious notebooks of some early computer engineers.

Stretching over roughly nine million square kilometers and with sands reaching temperatures of up to 80° Celsius, the Sahara Desert receives about 22 million terawatt hours of energy from the Sun every year. That's well over 100 times...

Humans are great at creating, and solving, problems. Hank talks with Gina McCarthy about the biggest public health problem we face today: climate change. Gina McCarthy is the Director of C-CHANGE (Center for Climate, Health and the...

So, variables. There are lots of them when trying to test an idea. The trick is to isolate one variable at a time to get reliable results every time. But, how do we do that? In this episode of Crash Course Kids, Sabrina shows us how to...

In an engaging, insightful conversation, criminal justice reformer Nick Turner breaks down the ways the US criminal legal system perpetuates centuries-old racial and economic inequality. He joins TED current affairs curator Whitney...

At the beginning of the 20th century, many scientists thought that we had learned all there was to know about physics. The problem is, the better we get at measuring things and building models of our universe, the more we discover that...