Insect expert Eleanor Drinkwater takes on this listener's question...
Answers to Science Questions
How does an eraser work?
How fast do sperm swim?
How big is the internet?
Why are you not allowed to use a mobile phone in a petrol station?
Since skin continuously replaces itself, why do tattoos last a lifetime?
Why does your stomach rumble when you are hungry?
Is it true that the Great Wall of China is the only man-made object visible from space?
What gives the best caffeine high, Tea or Coffee ?
Why does petrol and oil make a rainbow effect on water?
What is a mirage?
Is it me or do men always hog the TV remote control?!
What makes a whip go 'crack'?
I am being driven mad by hayfever. Help !
Why do we have leap years?
Can you really break a glass with your voice and if so, how?
Why does your hand look funny if you wave it quickly in front of the television or a computer screen?
Who is sweatier, men or women ?
Can rescue or police dogs still hear their handlers in noisy environments?
Is there any truth in women saying 'my bum looks big in this'?
How old is the eldest person to have reached the top of Mt. Everest?
Why do onions make us cry when we cut them and is there any way to prevent this?
Can people with no vocal cords still snore ?
What is cellulite - I can find lots of claimed 'cures', but no information about what it actually is?