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Humans have 12 pairs of ribs.
Humans have 12 pairs of ribs.
Twelve astronauts have walked on the moon. This photo shows Buzz Aldrins moon walk. (NASA)
Twelve astronauts have walked on the moon. This photo shows Buzz Aldrin's moon walk. (NASA)
The Dozenal Society of America is an entire nonprofit organization dedicated to the number 12. Its even been publishing The Duodecimal Bulletin since 1945. (dozenal.org)
The Dozenal Society of America is an entire nonprofit organization dedicated to the number 12. It's even been publishing "The Duodecimal Bulletin" since 1945. (dozenal.org)
The Western and Chinese zodiacs each have 12 signs. (Thinkstock)
The Western and Chinese zodiacs each have 12 signs. (Thinkstock)
In Hong Kong, at least 700 people are expected to get married, as they believe the date will bring everlasting love.(AP PhotoKin Cheung)
In Hong Kong, at least 700 people are expected to get married, as they believe the date will bring everlasting love.(AP Photo/Kin Cheung)
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There are 12 face cards in a deck. (Thinkstock)
There are 12 face cards in a deck. (Thinkstock)
Alcoholics Anonymous has 12 steps, 12 traditions and 12 concepts for world service. This photo shows a regional AA center. (David ShankboneWikipedia)
Alcoholics Anonymous has 12 steps, 12 traditions and 12 concepts for world service. This photo shows a regional AA center. (David Shankbone/Wikipedia)
The number 12 may be small, but it is one of the most divisible digits. Outside of one and itself, it also can be divided by two, three, four and six. This may be why so many things in everyday life use the number 12. There are 12 hours in the morning and night, 12 items in a dozen, 12 inches in a foot and 12 months in a year. (WTOPLacey Mason)
The number 12 may be small, but it is one of the most divisible digits. Outside of one and itself, it also can be divided by two, three, four and six. This may be why so many things in everyday life use the number 12. There are 12 hours in the morning and night, 12 items in a dozen, 12 inches in a foot and 12 months in a year. (WTOP/Lacey Mason)
An analogue clock has 12 hours on its face. (Thinkstock)
An analogue clock has 12 hours on its face. (Thinkstock)
In the Bible, Jacob had 12 sons, 12 tribes were started after Moses led his people out of Egypt and Jesus had 12 disciples. (Thinkstock)
In the Bible, Jacob had 12 sons, 12 tribes were started after Moses led his people out of Egypt and Jesus had 12 disciples. (Thinkstock)
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The European Unions flag has 12 stars. (Thinkstock)
The European Union's flag has 12 stars. (Thinkstock)
A Hurricane Sandy benefit concert on 121212 will be the largest event in music history. Performers include Bruce Springsteen and the E Street Band, Paul McCartney, the Rolling Stones, the Who, Eric Clapton, Billy Joel, Kanye West, Alicia Keys and Bon Jovi. (AP)
A Hurricane Sandy benefit concert on 12/12/12 will be the largest event in music history. Performers include Bruce Springsteen and the E Street Band, Paul McCartney, the Rolling Stones, the Who, Eric Clapton, Billy Joel, Kanye West, Alicia Keys and Bon Jovi. (AP)
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Total Lunar Eclipse

Total Lunar Eclipse

Pictures of the total lunar eclipse from around the world on Oct. 8, 2014.
Brad Pitt in D.C.

Brad Pitt in D.C.

Brad Pitt joined troops and Hollywood stars in D.C. for the premiere of...
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