He has also written a book on the subject ... Manufacturers still did not turn out enough envelopes, though, and many people persisted in just folding up their letters and sending them uncovered.

Expo has kicked off in Osaka, Japan, bringing together more than 150 countries and regions, each with their own culture and vision of the future. From ancient artifacts to AI-powered robots and a ...

The team thought of the device after realising that for many kids, learning to write becomes a frustrating challenge.

The feet (above) are inscribed in Persian calligraphy with the poetry of Forough ... Crawford is a Michigan-based freelance journalist writing about cities, science, the environment, art and ...