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 ...

Dr Tim Cockerill claims to be able to make a flea jump through a hoop on demand but won’t divulge his secret! To misquote Mrs Beeton, ‘first catch your flea’. This was easily done at the ...

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

They are notorious for their ability to jump long distances and for their quick breeding cycle. Fleas can not only cause ...