Marianne Freiberger

The travels of bank notes give important clues to epidemiologists

Is geometry hard-wired into our brain?

Carla Farsi is both an artist and a mathematician, who declared 2005 her Special Year for art and maths. Find out what she got up to, and what it's like being a part of both worlds.

The risks in Who wants to be a millionaire?

Extrasolar planets have been grabbing the headlines