Why is it that when I eat spicy foods my tongue burns and I sweat like crazy? Also, why is it that when I drink water, my tongue burns more rather than less?

Why do living tissues turn black after being exposed to critically low temperatures?

When I go to the GP, I often get my blood pressure tested. How often do the instruments that are used for this kind of thing get checked out to make sure that they're accurate?

My children can make the screw tops of their plastic soda bottles 'talk'. You wet them and place them upside down on the opening of a partly filled soda bottle. If we don't wet the cap, it doesn't work. If we hold the bottle with both hands without squeezing, it 'talks' faster, even after we let go. Why is this?

In response to your discussion last week about whether you can use urine on jellyfish stings: I lived in Hawaii for many years and always carried meat tenderiser as a cure for jellyfish stings. If we got a sea urchin sting, we would definitely wee on that because there's a theory that the sea urchin spines get stuck in your foot and if you wee on it, it dissolves the sea urchin spines. Is this true?

I have hay fever and I was wondering why grass has pollen.

Using equal amounts of fruit squash and water, a drink is always stronger when the squash is poured in before the water, even if you stir. Why is that?

on-the-Naze - What's the highest possible temperature that you can achieve?

What causes labyrinthitis and is there a cure?