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 ...

And a computer simulation also suggests that punctures in the hull the size of A4 pieces of paper led to the ship's demise.

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.

And so was the cyst, which had grown to 30cm – the same size as an A4 piece of paper – with doctors confirming the large growth was ovarian cancer. Article continues below She said ...

The images suggest that punctures just the size of an A4 piece of paper in the hull led to the ship sinking. The ship sank in 1912 after hitting an iceberg in the North Atlantic Ocean - 1,500 ...