Scientists are using advanced technology to lessen the danger from sinkholes like the one in Florida that swallowed part of a house. Ground-penetrating radar can scan sites for cavities 50 feet or more below the surface. (March 6)
In celebration of Giant Eagle's limited-time 20-cent fuelperks! promotion, WPXI and Giant Eagle are giving away -- TO 10 LUCKY FANS -- a pair of tickets to Friday's Pittsburgh Penguins playoff game!
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