Fridge maker Beko is urging customers to slip a piece of A4 paper into their fridge this week while the weather is still hot.

The common letter-sized paper used in Europe and in most locations outside of North America. At 8.3 x 11.7" (210x297mm), A4 paper is slightly narrower and a little longer than "A" size 8.5 x 11 ...

Chinese origami artist Pei Haozheng set the Guinness World Record for the longest strip cut from one sheet of A4 paper. This resulted in an 108.15 meter (354.8 foot) continuous paper strip that he ...

Step 1: Get an A4 piece of paper, origami paper can help make things easier, but it's not essential. Fold the bottom left corner over to the top right corner, making a pointed triangular shape.

residents are being advised to perform a simple check with a piece of A4 paper before cranking up the heat, which could lead ...