Insect expert Eleanor Drinkwater takes on this listener's question...
Answers to Science Questions
What causes bad breath? I had a bad stomach and bad breath yesterday - could they be linked?
why can't you tune into TV programmes on the radio?
Can you get chocolate and cocoa disorders similar to caffeine disorders?
but she works with strong magnets - could this be a factor?
I've got really bad dandruff, what can I do about that?
my boyfriend has mouldy feet - is this athlete's foot, and what causes it?
I've got small white lumps on my face, any ideas what these might be?
what is the difference between a freckle and a mole?
Is there any link between what we eat and getting itchy skin and eczema?
Why as we get older do we get brown pigmented spots on our hands, and when pregnant?
I bleached my hair recently, does bleach affect the scalp?
Why do my Dog's Eyes Shine When I Point a Light at Him?
Is there an evolutionary advantage to tongue-rolling?