Shaun White has won another gold medal, and it's all due to his ability to get huge air on the superpipe. John Brenkus of ESPN Sport Science explains how he pulls it off.

Physicists, philosophers, and UFO enthusiasts all have ideas on how many universes there may be or if there is extraterrestrial life. Chris Anderson summarizes the theories and expects that in the coming years physicists will arrive at more answers.

Enjoy clips from ​the most popular musicals in London's world-famous West End. Les Misérables is the longest​-​running ​musical ​in this top ten group​, and of all time, in the West End.

Poet, activist, and scholar Jamaica Heolimeleikalani Osorio recites a poem about remembering her cultural roots by honoring her family and recalling their Hawaiian names. The last part of the poem is spoken in Hawaiian.

Egyptian athlete Omar El Ghazaly, a discus thrower and competitor in the Olympics, talks about his sport and his motivations.

In the first of a new TED-Ed series designed to catalyze curiosity, TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers.

A look at the communications of Humpback Whales and other baleen whales, which includes how they sing, why they sing, and why we might consider their vocalizations actual songs.

Writer and star of the Broadway musical In the Heights, Lin-Manuel Miranda performs "The Hamilton Mixtape" at the White House Evening of Poetry, Music, and the Spoken Word. Accompanied by Alex Lacamoire.

Take a look at London's most popular attractions based on visitor numbers. From museums to family-friendly attractions and World Heritage Sites, London has something for everyone. The Parthenon marbles, the Crown Jewels, and the Cutty Sark clipper ship are among London's must sees. A great thing about London is that so many museums have free admission.

At the University of Sydney, physicist Derek Muller explores the possibility of an anti-gravity wheel through a series of field tests.

Eliza Doolittle is interviewed before she and her band set off on tour. She is one of eight children and the daughter of parents involved in the performing arts. She speaks about the influence of the Beach Boys, the Kinks, and other artists, and gets a good ribbing for being an Arsenal fan, as well as for her poker playing.

Angie Everhart talks about her past work in modeling and as an actor. She talks about her roles in Jade and Tales from the Crypt. She also has some advice for young people aspiring to be models.

Katie Holmes talks informally about her childhood, her experience on set, and about what makes her feel beautiful. She has some beauty tips for the younger generation.

Coal mining companies and their billionaire owners have titanic plans for Australia. But what disaster course are we on? Take a look to find out what they'd prefer you not to know. Take Action!

From TV news: Bob Dylan won't be going to Stockholm to accept his Nobel Prize for Literature. Leonard Cohen has died after a fall in his home, and Teri Hart chats with stars of Billy Lynn's Long Halftime Walk & Nocturnal Animals.