The letter and number codes on a boarding pass tell a lot about you, including whether you've been chosen for extra screening. Here's what they mean.

The letter and number codes on a boarding pass tell a lot about you, including whether you've been chosen for extra screening. Here's what they mean.

What scientists once dismissed as junk DNA may actually be some of the most powerful code in our genome. A new international study reveals that ancient viral DNA buried in our genes plays an ...

And there's the code that flyers dread seeing: SSSS, which means they'll get additional security screening. Here's what air travelers should know about the codes on their boarding passes.

Flyers discussing the code on the travel website FlyerTalk said the most coveted sequence code is " SEQ 001," which means the passenger is the first to board. BCBP: Bar-Coded Boarding Pass.

SEQ or SEQ NO: Sequence number. It indicates the passenger's place in boarding. Flyers discussing the code on the travel website FlyerTalk said the most coveted sequence code is " SEQ 001," which ...