It has NO EDGE. And NO CENTER... or does it?

Could rock music one day replace your insulin injections? Scientists are pioneering music-controlled cells that could provide the perfect dose of insulin for type 1 or type 2 diabetes with just a bit of music. Specifically, Queen's "We...

The most advanced robots in the world might not be exactly what you’re expecting. But they’re shaping humanity’s future. Hosted by: Michael Aranda

Paul Andersen explains how investigations are used by scientists to answer questions and by engineers to test designs. He delineates be investigative and observational science. He demonstrates the formation of a good question the...

December has the longest solar days (noon-to-noon) because of the weird way a combination of the axial tilt of the earth and the eccentricity of its elliptical orbit conspire in December. Perihelion + Solstices = Long Days.

Proving something right isn’t just about quantity. It’s also about quality and over the years, scientists have made measurements proving that we understand ridiculously well how the universe works.

What if diseases could be treated with a patient's own cells, precisely and on demand? Biotech entrepreneur Nabiha Saklayen explains how we could harness advances in biology, machine learning and lasers to create personalized stem cell...

It has NO EDGE. And NO CENTER... or does it?

In 1967, researchers gathered to answer a long-running scientific question: just how long is a second? It might seem obvious at first. A second is the tick of a clock, the swing of a pendulum, the time it takes to count to one. But how...

GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you are? Wilton L. Virgo explains how the answer lies 12,000 miles over your head, in an...

How did we come up with our system of telling time? Why do we divide the day into 24 hours of 60 minutes each, and put 60 seconds in each minute? Where does the definition of a second come from? And who decides what clock shows the...

You’re on the trail of a werewolf that’s been terrorizing your town. After months of detective work, you’ve narrowed your suspects to one of five people. You’ve invited them to dinner with a simple plan: to slip a square of a rare...

Mr. Andersen explains significant digits and shows you how to use them in calculations.

This video, entitled "Improving Expressions," details techniques for writing clearly and precisely.

This video, entitled "Express Ideas," explains how to use precise and concise language in writing.

3D printing revolutionizes the way we create objects by transforming digital designs into tangible 3D objects layer by layer. From prosthetics to buildings, this technology empowers individuals and industries to bring intricate designs...

Howcast - Learn how to lead a sacada for followers from tango instructors Diego Blanco and Ana Padron in this Howcast Argentine tango dance video.

Howcast - Learn how to create tie dye patterns using tape in this Howcast video.

Howcast - Learn how to do krumping stomps in this street dance video from Howcast.

Pupil outcome: I explain and emulate how Bilan uses multiple adjectives, prepositions, and embedded clauses in 'Asha and the Spirit Bird'. Key learning points: - Using two adjectives in front of a noun creates a detailed description. -...

Pupil outcome: I can use compound adjectives and analogies to create specific effects in my writing. Key learning points: - Compound adjectives are highly effective in your writing. - Compound adjectives are created by combining multiple...

Pupil outcome: I can write concise and developed comparisons of writers' attitudes. Key learning points: - A key characteristic of concise writing is specific and precise word choices. - Adjectives can be used to add detail to your...

Pupil outcome: I can explain how to solve calculations efficiently. Key learning points: - Fluent calculation requires flexibility to move between mental and written methods and supports us to be efficient. - Looking at the numbers...

Pupil outcome: I can systematically solve problems with two unknowns with one, several and infinite solutions. Key learning points: - Problems can be represented using bar models. - Problems can be solved using trial and improvement. -...