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...

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...

How couting in binary can solve the famous tower's of hanoi problem.

How couting in binary can solve the famous tower's of hanoi problem.

In 2019, Google announced that they had achieved quantum supremacy - but what does that mean? And does it even matter?

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences.

Welcome to the strange, deviously difficult and incredibly joyful world of puzzle hunts. Follow along as Alex...

Psychologists are only just beginning to study that voice in your head that narrates your thoughts, and it's more complicated than you probably realize.

Explore the Hardy-Weinberg Equilibrium equations with The Amoeba Sisters! Learn why this equation can be useful, its five assumptions, and how to calculate genotype and allele frequencies with p and q values! This video does assume the...

The InSight lander is finally launching and headed to Mars, and Hubble has revealed some hot supernova info.

Environmental scientist David Keith proposes a cheap, effective, shocking means to address climate change: What if we injected a huge cloud of ash into the atmosphere to deflect sunlight and heat?

Before he turned physics upside down, a young Albert Einstein supposedly showed off his genius by devising a complex riddle involving a stolen exotic fish and a long list of suspects. Can you resist tackling a brain teaser written by one...

Coming up with brand new drugs is all about pinpointing and exploiting a disease’s weakness. A big part of perfecting drug design will be learning to predict how proteins get their shapes because that has everything to do with how both...

We might be closer to figuring out how our solar system was born and NASA has two finalists for its next New Frontiers mission.

Paul Andersen shows you how to solve simple Hardy-Weinberg problems. He starts with a brief description of a gene pool and shows you how the formula is derived. He then shows you how to solve a couple of sample problems.

David Kwong is a magician who makes crossword puzzles -- in other words, a pretty nerdy guy. And for his next trick ...

This video provides an overview of economics as a social science attempting to solve the central economic problem of scarcity versus unlimited human consumption. It discusses the different schools of economic thought - classical,...

A video entitled "Solving Logarithms" which walks through how to solve logarithmic equations by setting the insides equal when the logs have the same base.

Howcast - Check out this Portal 2 walkthrough and beat Chapter 8 - Part 7: Room 06/19 with this online demo.

Crows are incredibly smart birds, and it took no time for Layla to learn there's a special reward at the end of this puzzle.

Enrichment aims to mimic the sort of problem-solving these intelligent animals would face in the wild.

This is the second of two videos on solving systems of equations using the substitution method.

This is the first of two videos on solving systems of equations using the substitution method. Make sure to watch "Solving Systems by Substitution 2" for help with solving systems when both equations are in standard form!

This is the first of two videos on solving systems by elimination or combination. Be sure to look for my second video on this topic (coming soon).

In this video you will learn how to solve equations with variables on both sides, such as 3x + 3 = x + 7