## 25

**Navier-Stokes equations**.

*Plus*meets

**primary teacher and maths coordinator**Maureen Matthews.

- Optional maths - should students be able to give up maths at age 14?
- Outer space - In what will now be a regular feature, mathematician and cosmologist John D. Barrow shares some maths that's amused and intrigued him.
- Readers' corner- More Strange activities for last issue's Ship of Fools!

**mathematical modelling**.