## Articles

**Brian Butterworth**tells us about research showing that even newborn babies have a basic understanding of number. It seems we are all mathematicians!

**Colin Adams**asks when is a molecule knot a molecule? and what happens if you try to build a knot out of sticks?

**Rachel Thomas**looks at Shannon's life and works.

Cookies are set out on a rectangular grid. The bottom left cookie is poisoned.

Two players take it in turn to "chomp" - that is, to eat one of the remaining cookies, plus all the cookies above and to the right of that cookie.

**Matthew Keeling**describes some of the mathematical developments that have improved our understanding and predictive ability.

**Ian Garbett**discusses radioactive decay.