The food of the gods

And the answer isn't the sweet shop - although around 80 million chocolate eggs will be scoffed by the nation over the next fortnight.

Botanist Bente Klitgaard explores the ancient Central American ancestry of this Easter essential and explains how Theobrama cacao (food of the gods) was used in sacred rituals. Visitors also get the chance to try bitter chocolate made the Mayan way.

Darwin Centre, Natural History Museum, Cromwell Road, SW7 (020-7942 5000). Wed 14 -Fri 16 Apr, noon & 2.30pm, free. www.nhm.ac.uk.