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.

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

Bruno Mars talks about his musical background and his collaboration with Philip Lawrence. They started working together in Los Angeles and their collaboration has led to numerous recordings, concerts, and awards. Both artists are Grammy-winners. Music critic Sarah Rodman wrote that Bruno Mars has an “indefatigable ecstatic approach to performing.”

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.

The title "Rockabye" is taken from the famous nursery-rhyme lullaby "Rock-a-bye baby on the tree top." The song is an electronic pop lullaby, and touches on the hardships of single mothers trying to bring up their babies right. It is sung by Anne-Marie in the role of the mother comforting her baby, and by Sean Paul who gives his support, singing in Jamaican English, so be on the lookout for unconventional grammar in the lines he sings.

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.

Hope Levin, a pro kiteboarder from Turks and Caicos Islands, has some pointers on how to ride toeside into the wind. One key takeaway is that the rider should look upwind and avoid looking at the kite.

Sometimes all you need is a flashlight to find your way in the dark. That's how Jessie J feels about her boyfriend.

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.

Russell Crowe talks about the craft of acting and his working relationship with Kim Basinger in this neo-noir. Jimmy Carter also asks him if he enjoys watching movies he stars in.

The Ultimate player's days of losing discs and sitting on the wet grass are over. The Hucket provides 6 gallons of room to transport discs, cleats, and jerseys for hectic weekend tournaments and is topped with a padded seat for any downtime. The video was produced for a kickstarter funding campaign.

Listen to U2's “You're the Best Thing about Me.” Rolling Stone magazine defines the song as “a joyous ear-worm about romantic dissatisfaction.” The video is set in New York City. The opening and closing lines of the video come from “The New Colossus” by Emma Lazarus, a sonnet written to raise funds for the Statue of Liberty's pedestal.

The gravity of the situation is clear – and yes, it’s going to hurt. But what are a few broken bones when the alternative is plummeting to your doom? Lonely Planet, the largest travel guide book publisher in the world, suggests we learn to laugh in the face of adversity with their How to Survive Anything series, of which this video is an episode.

Stephen King explains his distaste for Stanley Kubrick's adaptation of his novel "The Shining." Excerpt from TCM's documentary, A Night at the Movies: The Horrors of Stephen King.