Red and blue fibers have been a longtime ingredient of U.S. currency paper. Special features like these fibers are embedded in currency paper to ensure that reproduction is difficult. While some ...

It's also worth noting that to travel to Europe and Schengen countries, your passport must be issued less than 10 years ...

The new rules could affect anyone with a passport that was issued in the 2000s or beyond - before when the UK made the switch ...

Do you still have a red passport? Here are the rules for using one in 2025 now that some Brits are using the new blue ones.