It’s time to start watching for Comet PANSTARRS, one of two comets to get excited about in 2013. Photo: This image provided by NASA shoaws the comet PANSTARRS as seen from Mount Dale, Western Australia on March 5, 2013. According to NASA on March 10, it will make its closest approach to the sun about 28 million miles (45 million kilometers) away. As it continues its nightly trek across the sky, the comet may get lost in the sun's glare but should return and be visible to the naked eye by March 12. (Photo by AP Photo/NASA)

What makes a watch the most valuable in the world? It’s supercomplicated – literally. In 1925 banker Henry Graves Jr. (considered the greatest watch collector of the 20th century) commissioned Patek Philippe to create a unique gold pocket watch. When Graves finally received it – eight years later – it was the most complex timepiece ever created by human hands... (Photo by Suzanne Plunkett/Reuters)

An Apple Inc., employee holds the new white iPhone 4 at the Apple store April 28, 2011 in Palo Alto, California. The long awaited white iPhone, first announced in June of 2010, went on sale worldwide for the first time today. (Photo by David Paul Morris/Getty Images)

The visual artist Olivier Lefebvre wanted to accomplish with his representation of Steve Jobs’ portrait made entirely out of apples – the landart tribute expresses the impact Steve Jobs had on modern technology and the apple silhouette.

Ultra Orthodox Jews celebrate the Jewish holiday of Purim on March 8, 2012 in Benei Brak, Israel. The carnival-like Purim holiday is celebrated with parades and costume parties to commemorate the deliverance of the Jewish people from a plot to exterminate them in the ancient Persian empire 2,500 years ago, as described in the Book of Esther. (Photo by Uriel Sinai/Getty Images)

Yoga Studio for ultra-Orthodox located at Ramat Beit Shemesh Nachal zohar 4/8, Israel. Separate classes for men, women and children. Occupations look quite funny... (Photo by Michal Fattal)

A pedestrian walks by an Apple Store following an announcement that Apple has become the world's most valuable brand on May 9, 2011 in San Francisco, California. In a report released by London based Millward Brown, Apple Inc. has surpassed Google to claim the top spot in a global ranking of brand value this year with an estimated value of more than $153 billion up 84 percent from last year. (Photo by Justin Sullivan/Getty Images)