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...analysis, proportions in Leonardo Da Vinci’s painting of the Mona Lisa seem to be based on the Golden Ratio (Figure 16, left). Another example of the application of the Golden Ratio can be seen in the proportions of the head and chest of Mona Lisa (Figure 16, right). Wikipedia Creative commons Figure 16 Left: The Mona Lisa; Right: The Mona Lisa with a Golden Ratio grid...

...data are really fascinating. If you were perfectly entrained, the body clock was exactly locked on, the period of the peaks would be exactly 24 hours, but they’re not. In fact, we’ve got a period of 24.2, which is a little bit longer, which fits with the idea that the body clock is beginning to drift. Those peaks are getting a little bit later and later. Tom Dyckhoff...

...data handling investigation that his learners had carried out. There is no unique or universal set of processes in mathematics. The following five mathematical processes have been mentioned in various reports (for example, NCTM, 1989). They partially overlap with the six you have just been thinking about in Activity 7, and are similar to the key processes listed in the...