Numbers: Nov. 5, 2007

COLLEGE TUITION

6.6%

Percentage increase from last year in average tuition and fees at four-year public colleges; in-state students pay about $6,185

$23,712

Average tuition and fees at four-year private colleges, a 6.3% increase from last year

AIRPORT SECURITY

75%

Percentage of simulated explosives missed by federal TSA screeners at Los Angeles international airport; screeners at Chicago O'Hare missed more than 60% of test bombs

20%

Percentage of fake bombs missed at San Francisco international airport, which employs private screeners, not TSA employees

WORLD RECORDS

656

Length in feet of a Chinese wedding-dress train (below); the bride had hoped to...

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