Why is it that when driving past a field in which cows are grazing they are invariably all facing in the same direction?
Chris Charlesworth, Gomshall, Surrey
• Post your answers – and new questions – below or email them to nq@theguardian.com
Why is it that when driving past a field in which cows are grazing they are invariably all facing in the same direction?
Chris Charlesworth, Gomshall, Surrey
• Post your answers – and new questions – below or email them to nq@theguardian.com