Clark, who has died aged 90, was a zoologist of invertebrates and dedicated teacher who solved two great puzzles in insect ...

In its early days the ukulele was known as a jumping flea because of the players’ fingers dancing about quickly! There are three verses with the same words to say and play each time, but singing ...

If you spot a flea on the comb, quickly dunk the comb into hot, soapy water. Don’t try to squish them – fleas jump quickly ...

All cat and dog owners in the UK have been warned flea infestations at this time of year “more common than many people realise”.