Keegan-Michael Key is a modern master of sketch comedy, starring in hits shows “Mad TV,” “Key and Peele” and “Schmigadoon!” Now, he and his wife, film and TV producer Elle Key, have taken a long look into the history of the art form....

In the 1800s, Wilhelm Kühne created an image of a window from the eyes of a rabbit. Was this technology applicable to humans? Hosted by: Michael Aranda

In 1944, amateur astronomer Hisako Koyama's latest endeavor was sketching the sun's shifting surface. She spent weeks angling her telescope towards the sun and tracking every change she saw with drawings. Little did she know, these...

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...

In the 1800s, Wilhelm Kuhne created an image of a window from the eyes of a rabbit. Was this technology applicable to humans?

Designing electronics is generally cumbersome and expensive -- or was, until Leah Buechley and her team at MIT developed tools to treat electronics just like paper and pen. In this talk from TEDYouth 2011, Buechley shows some of her...

Looking back over his long career, architect Moshe Safdie delves into four of his design projects and explains how he labored to make each one truly unique for its site and its users.

Mr. Andersen explains the Central Dogma of biology. He shows how DNA is transcribed to form mRNA and how mRNA is translated into a protein.

A video entitled "Comparing Functions" which shows how to compare the y-intercept of functions when given functions' graphs, equations, and verbal descriptions.

A video entitled "Sketch Graph of Function" that covers sketching graphs of functions from descriptions of real-world motion.

A video entitled "Interpret Exponential Features" that covers the shapes of exponential curves with different base values.

A video entitled "Lines through the y-Axis" that covers writing equations of lines graphed on the coordinate plane.

A video entitled "Lines through the Origin" that covers the process of graphing linear equations of the form y equals mx.

A video entitled "Graph Key Quadratic Features" that covers the process of graphing a quadratic function using its intercepts and vertex.

This video tutorial provides step-by-step instructions on how to take screenshots on both Mac and Windows operating systems. It demonstrates how to use the built-in screenshot tools on each system, guiding users through capturing the...

Documenting the crime scene thoroughly is very important, as once the scene is cleaned up, it is impossible to go back and check some detail that may be relevant to the case later. There are several methods of documenting the crime...

Learn how to do a pencil drawing from artist Rebecca Schweiger in this Howcast drawing tutorial.

Howcast - Learn how to create your own cartoon character from professional artist Kevin Kobasic in this illustration and drawing tips video from Howcast.

Howcast - Learn the top five sketching tips from professional artist Kevin Kobasic in this illustration and drawing tips video from Howcast.

Howcast - Square foot gardening uses boxed-in beds to grow vegetables and other plants in square-foot sections. Here are some tips for planning one.

Howcast - Pick up three tips for sketching a graffiti mural with this Howcast video.

Howcast - Learn how to balance letters when you write a name in graffiti with this Howcast video.

Howcast -Your wedding is unique and special to you and your partner. Shouldn't your rings be unique and special as well?

Howcast -Learn how to draw the letter S in graffiti from graffiti artist Paes 164 in this Howcast video.