Could this meeting have been an email? The phenomenon of "calendar creep," where meetings completely take over your work days, is wasting time, energy and productivity -- but you can take back control. Leadership expert Cindy Solomon...

Supersonic jets like the Concorde face concerns over safety, high carbon output, and cost. They also make loud sonic booms so loud that only transoceanic flights are legal. Now one NASA program is trying to make a quiet supersonic plane...

Singing in Spanish, Portuguese and English, LADAMA brings a vibrant, energizing and utterly danceable musical set to the TED stage. In between performances of their songs "Night Traveler" and "Porro Maracatu," they discuss how...

Chris Anderson, then the editor of Wired, explores the four key stages of any viable technology: setting the right price, gaining market share, displacing an established technology and, finally, becoming ubiquitous.

In the mid-ninth century, Chinese chemists, hard at work on an immortality potion, instead invented gunpowder. They soon found that this highly inflammable powder was far from an elixir of life -- they put it to use in bombs against...

The past decade has seen slow and steady economic growth across the continent of Africa. But economist Charles Robertson has a bold thesis: Africa's about to boom. He talks through a few of the indicators -- from rising education levels...

Good sound is easy to miss because, usually, you're not paying attention to it. You're just simply, "in the story." But, sound recordists and engineers need to have a lot of technical know how as well as an instinct for story to help...

Chinese alchemists searching for an elixir of eternal life discovered the world's first chemical explosive. Hank has the full story on gunpowder in this SciShow about a big idea of science.

So the 1980s was the golden age of arcade games. Games like Donkey Kong, Pac- Man, Space Invaders, and Centipede had become a cultural phenomenon. These games had expanded the gamer demographic and even encouraged the rise of competitive...

If being alive on Earth were a contest, humans would win it hands down. We're like the Michael Phelps of being alive, but with 250,000 times more gold medals. Today Hank is here to tell us the specifics of why and how human population...

New ReviewToday a white truck crane came to Doctor Mac Wheelie's house. He wants to become multi-colored. Doctor Mac Wheelie took out her colored pencils and started to color the crane. She colored the wheels black, the frame, the boom, and the...

Howcast - Learn basic dance moves from choreographer Randy Connor in this Howcast dance video.

Howcast - Learn how to dance like Chris Brown from choreographer Randy Connor in this hip-hop dance video from Howcast.

Howcast - Learn how to do a simple hip-hop routine from choreographer Randy Connor in this hip-hop dance video from Howcast.

Howcast - Learn how to dance like Britney Spears from choreographer Randy Connor in this hip-hop dance video from Howcast.

Howcast - Learn how to do the Cherry Hill dance from choreographer Randy Connor in this hip-hop dance video from Howcast.

Howcast - Learn how to do the Cupid Shuffle from choreographer Randy Connor in this hip-hop dance video from Howcast.

Howcast - Learn how to do the stanky leg from choreographer Randy Connor in this hip-hop dance video from Howcast.

Howcast - Learn how to pop and lock from choreographer Randy Connor in this hip-hop dance video from Howcast.

Howcast - Learn how to jerk from choreographer Randy Connor in this hip-hop dance video from Howcast.

Howcast - Learn the b-boy dance move known as the James Brown 3-step in this Howcast breakdancing tutorial with choreographer Victor "Kid Glyde" Alicea.

Howcast - Learn some krumping footwork from choreographer Jamal Cumberbatch in this Howcast dance video.

Howcast - Learn how to dance like Chris Brown in this Howcast club dancing video with expert Tweetie.

Howcast - Learn how to shuffle on the dance floor in this Howcast club dancing video with expert Tweetie.