1 In Thailand I saw massive elephants in tealc forests stepping over rtihris logs, etc and not once did their hind legs touch these obstacles. How could they avoid objects which they can t see directly? '
Malcolm Coe Janet Kear and Stephen Sutton tread stealthily through some more of your natural queries.
Presented by Derek Jones
Producer BRIAN LEITH
BBC Bristol,
(Repeated:Sat3.5 pm) long wave only