JAPAN (CNN) -- A new device aimed at tackling sexual harassment on crowded trains and public transport has sold out just half an hour after it went on sale in Japan. The "anti-groping" stamps, ...

The Universal Postal Union (UPU) has rolled out a new AI-based philatelic tool, which is set to revolutionize stamp collecting globally, while enabling postal operators to protect revenues and combat ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (CNN) — A new device aimed at tackling ...

(CNN) – Japanese inventors have found a way to discourage rush-hour groping in crowded areas. This stamp allows victims of harassment to mark their assailants with invisible ink. The mark is in the ...