Question of the Week

Gold? Oxygen? Heroin? The Naked Scientists find out what the most expensive element is...

Is the assumption that everyone has a unique fingerprint correct?

Babies are 'foreign objects' in the body, so why don't they trigger an immune response?

If we were to travel to gas giant Jupiter, would we sink to the core?

What is this mysterious box? Is it is as clever as we think? And is it even black?

How are robotic voices generated? And what's their future? Will they ever sound human?

Unripe pears are dry, yet ripe pears are juicy so how do they become moist?

Can cheese give you nightmares?

Can we harvest the power from eels as a source of electricity?

Our pets can attract a whole host of parasites, but which ones can we catch?

Why do we need to urinate more often in cold weather?

How is using smartphones changing our brain activity?

Can animals other than humans experience same-sex attraction?

Why does petrol create a rainbow effect when in contact with water?

Could vacuum cleaners fitted to ships suck up all the plastics in the oceans?

Different types of waking dreams affect how refreshed you feel.

What are vitamins? What happens if we don't get enough of them? Can we store them?

The tectonic plates below our feet move. But where does the energy for this come from?

Can you catch a yawn from a cat? Plus, how and why do the Earth's tectonic plates move?

Are we there yet? We look at whether flights are going to be getting faster any time soon.

If you were swallowed by a whale, could you swim out or would you be digested?

Facial hair a different colour to that on your head? We stroke our beards to ponder why...

Will we cause our own demise by burning the candle at both ends?

Why do leaves turn red in the autumn? And how do they know when it is time to drop?