Charles Limb Your brain on improv

Drew Dernavich. Accounting night at the improv.

Its dances are a strong part of Malawi's culture, and the National Dance Troupe (formerly the Kwacha Cultural Troupe) was formed in November 1987 by the government.

I started Improv Everywhere about 10 years ago when I moved to New York City with an interest in acting and comedy.

And 20 years later, miraculously, we collaborated with a company from Mali, the Sogolon Marionette Troupe of Bamako, where we made a piece about a tall giraffe.

In Liberia, for instance, a troupe of young returnees and IDPs used weekly theatre performances in the community to raise awareness of SGBV in an accessible way.

The participants at Improv Everywhere events have just as much leisure time as any other New Yorkers, they just occasionally choose to spend it in an unusual way.

His wife, Peng Liyuan, is also linked to the military, having served as a civilian member of the army s musical troupe, and carries an honorary rank of general.

So I'd say over the years, one of the most common criticisms I see of Improv Everywhere left anonymously on YouTube comments is These people have too much time on their hands.

And so Jon had a brilliant idea He went out to recruit the best of the best dancers off of YouTube to create this dance troupe The League of Extraordinary Dancers, the LXD.

The LXD electrify the TED2010 stage with an emerging global street dance culture, revved up by the Internet. In a preview of Jon Chu s upcoming Web series, this astonishing troupe show off their superpowers.

There was a young intern at Ogilvy Canada called Hunter Somerville, who was working in improv in Toronto, and got a part time job in advertising, and was given the job of advertising Shreddies.

In autumn 1966 around 20 members of the San Francisco Mime Troupe broke off and started their own collective called the Diggers, who took their name from a group of 17th century radicals in England.

As I started taking improv class at the Upright Citizens Brigade Theater and meeting other creative people and other performers and comedians, I started amassing a mailing list of people who wanted to do these types of projects.

Omidyar has supported some of the organizations we most admire the Wikimedia Foundation, Creative Commons, Ushahidi, WITNESS and we're particularly honored to be part of a class that includes UK based transparency organization MySociety and Kenyan political satire troupe, The XYZ Show.

If there is one thing BP's watery improv act made clear, it is that, as a culture, we have become far too willing to gamble with things that are precious and irreplaceable, and to do so without a back up plan, without an exit strategy.

Usman Riaz is a 21 year old whiz at the percussive guitar, a style he learned to play by watching his heroes on YouTube. The TED Fellow plays onstage at TEDGlobal 2012 followed by a jawdropping solo from the master of percussive guitar, Preston Reed. And watch these two guitarists take on a very spur of the moment improv.

Puppets always have to try to be alive, says Adrian Kohler of the Handspring Puppet Company, a gloriously ambitious troupe of human and wooden actors. Beginning with the tale of a hyena's subtle paw, puppeteers Kohler and Basil Jones build to the story of their latest astonishment the wonderfully life like Joey, the War Horse, who trots convincingly onto the TED stage.