Fridge salad drawers can contain 750 times the level of bacteria considered safe, researchers warn. Potentially killer bugs such as E.coli, salmonella and listeria are among those found, they say.

A team of physicists in the Netherlands have developed a storage device composed of chlorine atoms on a tiny metal surface that could one day be scaled up to hold about 10 terabytes of data on a 1cm ...

The total area of a compound shape is found by adding up the areas of the rectangles that have created the whole shape. This may be done in more than one way. The calculation may use a subtraction of ...