Your guide to exhibitions in Oxfordshire from Friday, May 5, to Thursday, May 11. Updated every Friday. Send your entries to listings editor Wendy Broadway (wendy.broadway@nqo.com). Send your entries to listings editor Wendy Broadway (wendy.broadway@nqo.com).

Oxfordshire Visual Arts Festival Artweeks: artists all over Oxfordshire open their studios and workshops to the public. Oxford City area: May 13-21; South Oxon: May 20-28; North Oxon: May 27-Jun 4. Brochures with full details are available from libraries and local bookshops. Artweeks office is at the Electric Showroom in Abingdon, tel 01235 538828.

Museum of Modern Art: Tues-Sun 11am-6pm, Thurs 11am-9pm. Until Jul 2, Weegee (1899-1968), photographs from the Berinson Collection, Berlin; in the Lower Gallery, Orlando's Butterflies, photographs by Sara Davidmann. Tours every Wed during exhibition, noon (admission free).

Ashmolean Museum, Beaumont Street, Oxford (01865 278015: Tues-Sat, 10-5, Sun 2-5. Admission to museum free, gallery talks and tours 1.50. Exhibitions: until May 14, Crucifixion 2000: In the Name of God - paintings by Laila al-Shawa; until Jun 4, F.E. Jackson and his School. Gallery talks 1.15pm, Tuesday, Coffee and Chocolate Pots, and and Friday, May 12, Decorative Watches. May 16, Francis Ernest Jackson. Ashmolean Treasures tour every Saturday 11am. To book a place on talks and tours tel 01865 278015.

Oxford University Museum of Natural History, Parks Road (01865 272950): open daily noon-5pm. Until December, Ruskin and the Oxford University Museum: Ruskin's unfinished masterpiece. May 6 until Jul 31, Points of View - visualising insulin secretion, the work of scientist Frances Ashcroft on insulin secretion interpreted by the painter Benedict Rubbra.

Pitt Rivers Museum, Parks Road (01865 270927): open noon-5pm, daily. Until Sept 2001, Transformations: The Art of Recycling. Also the Joachim Schmid Collection at the Pitt Rivers Museum, an artist's intervention and site-specific installation. Until autumn, Collectomania! Coke cans to twizzle sticks. Sat 2.30pm, Celebrating Spring - Pitt Stop family activity. Sun 2.30pm, talk on the care of the collections during major building work.

Bodleian Library: Until May 27, South Africa in the 20th Century. To mark the centenary of the Anglo-Boer War.

Christ Church Picture Gallery (01865 276172): Mon-Sat 10.30-1, 2-4.30, Sun 2-4.30. Until May 21, Master Drawings by John Ruskin, lent by distinguished private collection.

Museum of Oxford, St Aldate's: Tues-Fri 10-4, Sat 10-5, Sun 12-4pm. Until May 14, 10am-4pm, Oxford Bury Knowle Art Group.

Wolfson College (01865 274100): Until May 19, daily 10-4 (please tel before visiting). Performances of Greek and Drama exhibition of posters.

Phoenix Picture House, Walton Street, Oxford: daily 6-9.30, until May 31, Images of Revolution - photographs of political art in Portugal by Margaret Martins.

Oxford Gallery, High Street: Tues- Sat 10-5, Contemporary Baskets and Drawings, until May 24.

roots.net, 27 Park End Street, Oxford (01865 722227): until May 12, Women Weathering the Times - photographs by Daniel Aamot and Gyzia Pimentel. Scenes from north-east Brazil.

46a Percy Street, Oxford: May 12-29, noon-6, sculptor Stanley Dove's studio/urban garden open for Artweeks.

The Theatre, Chipping Norton: Mon-Thurs 10-1, until May 7, Portrait Photographs by The Cotswold Studio.

Oxfordshire Museum, Woodstock (01993 811456): Tues-Sat, 10-4.45, Sun 2-4.45. Until May 7, Oxford Art Society Members' Exhibition - painting, drawing, sculpture and print. May 11-Jun 11, Oxfordshire Crafts Guild.

Vale & Downland Museum (01235 771447): until May 14, The Nature of Things - textural themes from the environment by Lisa Miriam Taylor.

Oxfordshire Crafts Guild Shop, Chipping Norton (01608 641525): Tues to Sat 10-5. Until May 31, jeweller Sara Withers.

Witney & District Museum: Wed to Sat 10-4, Sun 2-4. Until May 14, Graham Piggott, sculptor in ceramics and bronze. 01993 775915.

Wycombe Museum: Sat and Sun 10-5, make a miniature chair arch, for details tel 01494 421895.

River and Rowing Museum, Henley -on-Thames (01491 415615: until Jun 4, John Piper - Master of Diversity.

Modern Artists Gallery, Whitchurch (0118 9845893): until May 15, paintings by Zoe Blount, Shazia Mahmood; monoprints by Linda Fraser.

Trevor Waugh Studio, Great Barrington (01451 844781): May 7-14, 10-6 daily, paintings of Egypt and Beyond.