Answers to Science Questions

Why do pictures fade in paintings and books? Is it a chemical reaction?

Does eating chillies help with neuralgia?

How does hydration differ from water retention?

If it's ultraviolet light that causes skin cancer and there are UV lights in discos, are they dangerous? If not,...

I want to know why a drink can doesn't get shaken up when it falls from a drink dispenser. It falls very hard but...

In my car, if you keep the air conditioning on rather than having the windows open, it makes quite a difference to the...

I was always fascinated with the state of weightlessness and how it works. A month ago I saw a report on artificial...

Life on Earth uses energy either directly or indirectly from the sun. However there are deep sea organisms that live...

It's been suggested that the police can trigger a public reaction by being heavy handed. We know that the police...

I'd like to know if putting lemon juice on your hair really helps to bleach it, and if so, why?

Why is a chilli called a chilli when it's hot?

Generally speaking, is the Sun really shrinking at a speed people should be worried about?

Are we any closer to working out how geomagnetic fluctuations in the Sun affect our climate?

What's the deal with fusion as a power source? Is it ever going to be economically possible? Is cold fusion the...

Sitting in my kitchen which faces west, I can see the sun well up in the sky and I can also see the moon. But the moon...

When I was training to be a nurse, it was drummed into us that vitamin D comes from the sun. If we're all neurotic...

I know that there is a wide range of frequencies in the electromagnetic radiation that comes from the sun. But exactly...

It's my understanding that you can send electricity wirelessly. Although microwaves are apparently the best way,...

How does light actually propagate? I know that there are perpendicular electrical and magnetic fields and that they can...

Does the Sun move and what impact could the movement of the Sun and changes in velocity have on things like other...

Why do you sneeze when you look at the Sun?

I suffer from rhinitis and I have done for a long time. Nobody seems to know if there's a cure going for it yet.

I deal with allergies for a good portion of the spring and summer and my question is: why does my itchy nose and eyes...

My husband developed an allergy to nuts at 32 years old. Is it common to get allergies as you get older or is this more...