At subsecond time-scales and micron length-scales, cells behave as fluid-filled sponges in which shape changes necessitate intracellular fluid redistribution. However, whether these cytoplasmic ...

Mean and standard deviation are frequently used measures of central tendency and variability in data from scale variables. If data are not normally distributed, some researchers prefer reporting ...

While even an accountant might only use about 20 per cent of Excel's capabilities, those vying for spreadsheet glory also need to know almost everything the program can do, Kraskov explained.

Learn about and revise how to use standard form to tackle very large or small numbers with this BBC Bitesize GCSE Maths Edexcel study guide.