Answers to Science Questions

Jet streams flow laterally due to centripetal forces. If CFC gases caused the hole in the ozone layer over the poles,...

How is it that when an insect such as a ladybird dies, it folds it's 6 legs up under itself. Why does it do that...

I've heard that the eruption of Krakatoa causes massive cooling in the atmosphere and these effects are...

With so many active volcanoes around the world how does the pollution from industry over the last 150 years compare...

A lot of smart people think global warming is just part of a natural trend that humans have very little influence on....

Where does all the sand in the Sahara desert come from?

Mirrors reflect visible light. But how effective are they at reflecting other electromagnetic waves like x-rays and...

How do air sacs in the lungs help with gas exchange?

Can we crack water into it's components of oxygen and hydrogen and then burn the hydrogen using the oxygen to...

Is it dangerous to live 500 metres away from a mobile phone mast?

The Hunstanton cliffs are made up of layers of white chalk, red chalk and the main part is sandstone at the base. Why...

Is there a reason for cyclic weight loss?

How does my body absorb the morphine in my dry-feeling patch?

It's recommended that we eat 5 portions of fruit and vegetables a day. So I'd like to know, if I liquidise...

Everybody knows that salt melts ice. Why are there such big icebergs in the sea?

If we store seasonal fruit and vegetables will they still have all the same nutrients as when they're fresh?

If you don't eat enough cholesterol - does your body not just make it anyway?

If red wine is good for us, is sherry good too?

Does peanut butter help to lower your cholesterol?

Do high roasted coffee beans cause cancer?

What causes the tremor seen in heavy coffee drinkers, and is that related to dopamine like with Parkinson's...

How are seedless grapes grown?

If you could drill a hole from the North Pole to the South Pole, and it was big enough to drop a stone through, would...