Webs of wonder

Scientist Janet Beccaloni will be bringing along unusual (so probably large and very hairy) specimens for examination and asking why so many people are terrified. You can also join in a minibeast safari in the grounds.

Natural History Museum, Cromwell Road, SW7 (020-7942 5011). Sat 3 & Sun 18 Apr, noon & 2.30pm, safari 12.30pm & 3pm, free. www.nhm.ac.uk. 7+