Us Metric Association

The irrational fear of Friday the 13th is termed Friggatriskaidekaphobic and it combines a fear of Fridays with the perception that number 13 is a unlucky number.

Spanish cultural officials allowed the first peep on Friday at some of the 16 tons (14.5 metric tons) of shipwreck treasure worth an estimated $500 million that a U.S. salvage company gave up this year after a five-year ownership dispute.

The irrational fear of Friday the 13th is termed Friggatriskaidekaphobic and it combines a fear of Fridays with the perception that number 13 is a unlucky number.

Spanish cultural officials allowed the first peep on Friday at some of the 16 tons (14.5 metric tons) of shipwreck treasure worth an estimated $500 million that a U.S. salvage company gave up this year after a five-year ownership dispute.