A number of secret coded letters that a man found in his parents loft are now on display in a museum. Stephen Pryo found 21 ...

Television ads often use animals to sell things. How many animals, though, advertise for themselves? Cleaner shrimp do—their bold stripes and antennae movements advertise their services to fish ...

All passengers need to show their boarding pass when getting a flight at any airport and some people are only just learning ...

T he public should create secret passwords with their family and friends to help them identify whether they are really ...