Institutions celebrating science include At-Bristol with an interactive exhibition, Great Apes: How Great Are You? and workshops on healthy bodies, fantastic forces and DNA. Activities at the Royal Observatory, Greenwich, include a science weekend, where families can make a clock, learn how the Earth moves and watch a planetarium show. The York Festival of Science and Technology includes a maths funfair; Molecules for Life, an interactive exhibit; a secondary technology tournament; and Brunel activities at the National Railway Museum.
Tel: 020 7973 3074 www.britassoc.org.uk
Fast for World Vision March 17-19
CD:UK presenter Myleene Klass,Kelly Osbourne and other celebrities are giving up food for 24 hours and urging young people to do the same to raise money for World Vision's famine campaign. The money will help educate young people in Sierra Leone. To request a pack Tel: 01908 841010 www.24hourfamine.org.uk
Shakespeare portraits Until May 29
To mark its 150th anniversary, the National Portrait Gallery has an exhibition of portraits, manuscripts, costumes and jewellery from Shakespeare's time. It includes analysis of portraits purporting to be of Shakespeare, including the "Chandos", the first work acquired by the Gallery 150 years ago. Other exhibits include portraits of actors, playwrights and patrons, manuscripts recording the plays performed by Shakespeare's company at James I's court, and the skull of a bear found near the Globe. Accompanying events includes Mark Rylance and Michael Wood on authorship, March 23; Bill Bryson on his forthcoming book on Shakespeare, April 6; and Peter Ackroyd on Shakespeare's London, April 21.
Tel: 020 7312 2483
The Mathematical Association is holding a conference entitled "Teaching for excellence and enjoyment" in Sheffield (May 25), Leicester (June 13) and London (June 14). Fee: pound;170, pound;150 members.
Tel: 01604 696389 www.m-a.org.uk