QUESTIONS

Q : Why is a holidaymaker a ‘grockle’?

Tim Brewer, Arundel, West Sussex.

Q : Can someone define exactly what is meant by torque?

Mrs D. Lewis, Northwich, Cheshire.

Q : Walking in the woods the other day, the dog and I came home covered in small green caterpillars that had been hanging from threads. Were these a type of silk worm?

David Pritchard, Oswestry, Shropshire.