# Mathematical Digest

### Short Summaries of Articles about Mathematics

in the Popular Press

"Taming Nature's Numbers," by Vanessa Spedding. New Scientist, 19 July 2003, pages 29-31.

Today, mathematical models of biological phenomena are increasing in their accuracy and sophistication. One difficulty is how to integrate different models that represent phenomena operating over different time scales. This article discusses how a technique called time scale calculus is helping to solve overcome this obstacle.

*--- Allyn Jackson*