Ximena Rivero of Peru competes in the South American Pole Dance Championship in Buenos Aires November 24, 2014. Participants from throughout South America will be vying for the top spots in the two-day competition, with the winners qualifying for the 2015 World Pole Dance Championship in Hong Kong. (Photo by Enrique Marcarian/Reuters)

Kia Vue of St. Paul sports long nails at the Minnesota Hmong New Year celebration Saturday, November 29, 2014, at the Saint Paul RiverCentre in St. Paul, MN. The annual Minnesota Hmong New Year celebration will be held at the Saint Paul RiverCentre November 28–30. Hmong New Year has a deep cultural significance to the Hmong community. It is a celebration of accomplishments during the past year and a time to welcome a new beginning. (Photo by David Joles/Star Tribune)

Models pose for a group photograph outside the Victoria's Secret shop on New Bond Street in central London, December 1, 2014. The 2014 Victoria's Secret Fashion Show will be held in London on Tuesday. (Photo by Andrew Winning/Reuters)

An alpaca is seen near the Inca citadel of Machu Picchu in Cusco December 2, 2014. Machu Picchu, a UNESCO World Heritage Site, is Peru's top tourist attraction, with the government limiting tourists to 2,500 per day due to safety reasons and concerns over the preservation of the ruins. (Photo by Enrique Castro-Mendivil/Reuters)

Servicemen of “Kiev 12” military defence battalion react as they take part in a welcoming ceremony in central Ukrainian capital Kiev December 6, 2014. Servicemen of the battalion returned to Kiev after taking part in fighting in eastern Ukraine. (Photo by Gleb Garanich/Reuters)

The happy egg co. has released its annual cockerel pin-up calendar: “Nice Pecks” – with an egg-streme sports edition. Taking inspiration from upcoming sporting events and the world of extreme sports, the 2015 calendar stars 12 rad roosters with a penchant for adrenaline highs in a range of high octane sporting scenarios including jumping off slopes, riding gnarly waves and snowboarding. Here: “Nice Pecks” calendar: Snowboarding. (Photo by The happy egg co.)

Netapp Endura team rider Slovenian Blaz Jarc (R) crashes into Katusha team rider Russian Viacheslav Kuznetsov (ground) during the 112th Paris Roubaix cycling race, in Roubaix, France, 13 April 2014. (Photo by Nicolas Bouvy/EPA)

Macro or Micro? Scientists’ pictures baffle our sense of scale. It began when Stephen Young, a geography professor at Salem State University in Massachusetts, tricked his biologist colleague Paul Kelly into thinking a satellite image was one of his electron microscope scans. Can you guess whether they are close-up or very far away? (Photo by Paul Kelly)