SciShow explains how three important ingredients -- sunlight, water, and you -- interact to create the illusion of a rainbow. The colorful details are inside!

So we've all heard of relativity, right? But... what is relativity? And how does it relate to light? And motion? In this episode of Crash Course Physics, Shini talks to us about perspective, observation, and how relativity is REALLY weird!

In this video Paul Andersen explains how constructive and destructive interference can create interference patterns. Interference patterns can be created by all types of waves, including water, sound, and light. A classic experiment...

A bit of the history behind how we came to use the symbol "pi" to represent what it does today, and how Euler used it to refer to several different circle constants.

The human eye is an amazing mechanism, able to detect anywhere from a few photons to a few quadrillion, or switch focus from the screen in front of you to the distant horizon in a third of a second. How did these complex structures...

In this video Paul Andersen explains how modeling instruction can be used in the science classroom. Instead of presenting a model for the students the teacher presents and experience or experiment and the students develop the model.

In this deeply charming and humorous talk, DJ and self-professed pirate Tom Nash meditates on how facing adversity due to disability invited patience, ambition and pragmatism into his life in enlightening, unexpected ways. "We all have...

Has anyone ever told you, "Stand up straight!" or scolded you for slouching at a family dinner? Comments like that might be annoying"but they're not wrong. Your posture is the foundation for every movement your body makes and can...

The public is losing faith in democracy, says British MP Rory Stewart. Iraq and Afghanistan’s new democracies are deeply corrupt; meanwhile, 84 percent of people in Britain say politics is broken. In this important talk, Stewart sounds a...

In this video Paul Andersen defines and explains the importance of the mole. The mole is simply a number (like a dozen) used to express the massive number of atoms in matter. It serves as a bridge between the mass of a compound and the...

February 2nd is Groundhog Day in the United States, and Jessi and Squeaks are celebrating by sharing all kinds of amazing groundhog facts with us! Learn what groundhogs eat, where they live, and how they make it through tough winters!

New ReviewJalen Brunson discusses what the energy of MSG feels like as a player, especially during the playoffs. He also talks about Cade Cunningham, the Detroit Pistons, and the shot he hit to send them home last year. Hear all this and more in...

New ReviewIn today’s lesson, we’ll explore what surface area really means, how nets help us see every face, and how to find surface area for rectangular prisms, triangular prisms, and parallelogram prisms. Then you’ll learn the shortcut formula SA...

Hit rewind to revisit three incredible small-space homes packed with lessons in creativity and style! From a 529 sq ft NYC apartment to a 590 sq ft Oakland rental and a 350 sq ft Brooklyn studio, see how these homeowners make every...

Welcome back to the Fluctus Channel, as we explore the inner workings of the legendary B52 Stratofortress, from its powerful engines and unique cart start system to its iconic analog cockpit and multi crew...

What at first seemed like a crazy idea that was antithetical to what people believed to be a smart business practice to a newsletter with over 1,000,000 subscribers, hear how Andrew Ross Sorkin first came up with Dealbook, and how he...

A video entitled "Forecasting Weather" which talks about symbols seen on a weather map.

STORIES BEYOND THE ORDINARY celebrates the amazing heroes featured in The Red Bulletin’s (RED BULL) inaugural Heroes of the Year issue. At this exclusive event hosted by Journalist Bonnie...

How to Make Getting Dressed Easier With Arthritis

The author Chuck Klosterman said, "Art and love are the same thing: It's the process of seeing yourself in things that are not you." This idea—that our identities are necessarily reflected in our art—runs through the veins...

The Trenton Thunder, a minor league baseball affiliate of the NY Yankees, has an unusual way of getting through the dog days of summer. Meet Batdog Derby and his son Rookie, a Batdog in training.



During the first inning...

One very rare disease and a family’s curious questions on Google search was the start to this loving foundation. After 15 months of noticing something was not right with their baby, Jennifer and Christopher Iannuzzi finally got a...

We bet you haven't seen a bookstore like this before. It is no surprise it sits in the Downtown Project of Las Vegas.



The Writer’s Block Book Shop, Las Vegas’ only independent bookstore and it's studio, Codex, offers...

Do planes, trains and automobiles make you queasy? Do you turn green the moment your ship leaves port?

Welcome to motion sickness—a miserably common ailment that can often be preve
nted.
One way is with...