Answers to Science Questions

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 are 'birthmarks' - do they really exist?

what is the difference between a freckle and a mole?

why do we get wrinkly in old age?

I have a lot of moles on my chest and back, and they itch and bleed (after scratching most days). I've had a skin...

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 are some Animals Born with their Eyes Closed?

Why do my Dog's Eyes Shine When I Point a Light at Him?

How far down is it to the centre of the Earth?

How long until the sun is a mile in diameter?

What would happen if a bird drank fizzy water?

Why can you smell some gases, but not others?

Where does the rainbow end?

Is there an evolutionary advantage to tongue-rolling?

Why do animals have to die?

How do we know the big bang happened if there was no-one there to see it?

What makes glue sticky?

Why don't rockets leave big holes in the ground when they launch?

Is it true that mixing your drinks makes you more drunk?

How does an eraser work?

How fast do sperm swim?