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Podcast

Plus podcast 21, December 2009: Protecting the nation

Vaccination is an emotive business. The furore around the MMR vaccine and autism has shown that vaccination health scares can cause considerable damage: stop vaccinating, and epidemics are sure to follow. But how do scientists decide whether a vaccine and a vaccination strategy are effective and safe? We talk to Paddy Farrington, Professor of statistics at the Open University. You can also read the accompanying article.
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Letters

June 2000

Trying A New Hat

I am hoping that you can help me out with my problem. I am finishing my final year at university in June. Ideally I would like to pursue a career as a financial analyst.

However, I have not studied maths A-Level and my degree is not highly quantitative. I know it sounds hopeless but would anyone at Plus know how I can turn from maths average to rocket scientist in the three months over the summer?

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Article

Mathematical mysteries: Right angle race

The German mathematician Adam Ries (1492-1559) was the author of the most successful textbook of commercial arithmetic of his day. The book, published in 1552, earned such a high reputation that the German phrase nach Adam Ries is used to this day to indicate a correct calculation.
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Career interview: Secondary maths teaching

Paul Clifford Paul Clifford is the Deputy Head of Maths at Elizabeth Garrett Anderson school in Islington. The Plus team visited him there to hear about life as a secondary maths teacher.
Article

Analemmatic sundials: How to build one and why they work

We've all seen a traditional sundial, where a triangular wedge is used to cast a shadow onto a marked-out dial - but did you know that there is another kind? In this article, Chris Sangwin and Chris Budd tell us about a different kind of sundial, the analemmatic design, where you can use your own shadow to tell the time.
Article
fractal

Fractal expressionism

In the late 1940s, American painter Jackson Pollock dripped paint from a can on to vast canvases rolled out across the floor of his barn. Richard P. Taylor explains that Pollock's patterns are really fractals - the fingerprint of Nature.

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flying piggybank

Have we caught your interest?

Those who understand compound interest are destined to collect it. Those who don't are doomed to pay it - or so says a well-known source of financial advice. But what is compound interest, and why is it so important? John H. Webb explains.
Article

Chaos in Numberland: The secret life of continued fractions

One of the most striking and powerful means of presenting numbers is completely ignored in the mathematics that is taught in schools, and it rarely makes an appearance in university courses. Yet the continued fraction is one of the most revealing representations of many numbers, sometimes containing extraordinary patterns and symmetries. John D. Barrow explains.
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