## evolution

**Charlotte Mulcare**uses milk to show how maths and stats can provide genetic answers.

**Lewis Dartnell**turns the universe into a matrix to model traffic, forest fires and sprawling cities.

*Plus*spoke to the cognitive psychologist

**Rosemary Varley**to find some answers.

**Paul Davies**has made an unusual move into the infant discipline of astrobiology. He tells

*Plus*about his interest in the big questions: what is life, how would we recognise aliens - and are they all around us?

Researchers have used mathematical modelling to understand the evolution of the influenza virus.

**John Conway**believes they are going to want to talk mathematics. He talks to

*Plus*about his

*Life*game, artificial life and what we will have in common with extraterrestrials.

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