Henrietta Simson, Kay Tabernacle and Philip Thompson and are taking part in the symposium Deep Material Encounters at Clearwell Caves, The Rocks, Nr Coleford, Royal Forest of Dean, Gloucestershire GL16 8JR on Friday 15 April 2016. See: www.ucl.ac.uk/slade/research. Booking is via Eventbrite on www.eventbrite.com.