A high-kicking Parisian can-can dancer. (Photo by Hulton Archive/Getty Images). 1895

Actress Anne Hathaway attends the “The Dark Knight Rises” World Premiere at AMC Lincoln Square Theater on July 16, 2012 in New York City. (Photo by Jim Spellman)

Dancers Amy Hadley and Bethany Kingsley-Garner from the Scottish Ballet wait backstage during the dress rehearsal of the current production of “Sleeping Beauty” at the Theatre Royal on December 16, 2011 in Glasgow, Scotland. (Photo by Jeff J Mitchell/Getty Images)

“The Sloan Digital Sky Survey III (SDSS-III) has released the largest-ever three-dimensional map of massive galaxies and distant black holes, which will help astronomers explain the mysterious “dark matter” and “dark energy” that scientists know makes up 96 percent of the Universe”. – SDSS-III

“The inspiration for this book came to me one afternoon as I watched my son, Hudson, playing with his toy bus. I was trying to keep pace with his three-year-old mind as he got deeper and deeper into a fantasy involving nothing more than a yellow plastic box and armless figurines. At least that’s what I saw. He saw frantic commuters rushing to catch the 77 local bus to Australia. He jumped in place, mouth open and slapping his knees, joyously reacting to a world I couldn’t see, but one powerfully present for him...”. – Jordan Matter

Photo: “Dancers Among Us”: Macys, NYC – Annmaria Mazzini. (Photo by Jordan Matter)

Singer Jason Derulo performs during his Flash Mob with Knicks City Dancers outside of Madison Square Garden on September 28, 2011 in New York City. (Photo by Mike Coppola/Getty Images)

Aerial dancers from Voloa, perform a dress rehearsal ahead of their performance at the opening night of Salisbury International Arts Festival on May 20, 2011 in Salisbury, England. The 39th Salisbury International Arts Festival runs from tonight until Saturday 4 June 2011 and features a programme of theatre, dance, circus, film, music, comedy and spoken word in locations around the historic city, from Salisbury Cathedral to Stonehenge. (Photo by Matt Cardy/Getty Images)