Naked Science Scrapbook

Fuel cells may be a major energy source of the future, but how do they work? In the latest Naked Science Scrapbook, we find out how to generate electricity from hydrogen, how fuel cells helped man to get to the moon, and how you could use one to heat your water at home...

Cheese is a major (and tasty) part of our diets and humans have been making it for thousands of years? But how is it made? In this Naked Science Scrapbook, we find out how we go from liquid milk to solid cheese and how the blue mould and pungent smell of blue cheeses is formed.

If a diver surfaces too quickly after a dive, they can get the bends, or decompression sickness, causing excruciating pain and sometimes even death. In this Naked Science Scrapbook, find out what causes the bends, why human divers can get it and why (usually) whales don't...

Why are some people short sighted and some people long sighted? And how do we use something more usually associated with a Bond villain to correct someone's eyesight? Find out in the latest Naked Science Scrapbook!

Being able to fly off on holiday is something we may take for granted. But how does the big metal tube you're flying in stay up in the air? We'll find out in the latest Naked Science Scrapbook. Plus we'll see that if the plane's engines stop working, you won't just plummet out of the sky...

Humans have wanted to fly for thousands of years. Modern jet engines allow us to fly more efficiently, at greater speeds than ever before. In this Naked Science Scrapbook, we'll find out how engineers stop the engines from melting at such high temperatures, and why you couldn't run a plane on coal...

Why does ice float in the cool summer drink of your choice? And why don't ponds and lakes freeze from the bottom up, killing all the fish? Find out with the latest Naked Science Scrapbook, where we'll see that it's all down to the weird and wonderful water molecules...

Mosquitoes can transmit deadly diseases like malaria.But could they pass on HIV if they drank from an infected person?Find out with the Naked Science Scrapbook!

Copper compounds can be blue, green, yellow, brown and black - so how does it produce so many different colours? We find out the answer to this, plus why copper's flame test is green...

What's actually going on in a lightbulb when you switch it on? And why are energy saving bulbs more efficient than normal incandescent ones? Find out in the latest Naked Science Scrapbook.

We all know chameleons can change their colour at will, but how do they do it? And is it really because of camouflage?

Why is a storm cloud flattened on top? In this episode of the Naked Science Scrapbook, we'll find out what causes cumulonimbus clouds to form characteristic anvil shapes...

What makes a cake rise? In this episode of the Naked Science Scrapbook, we'll find out what ingredients cause a baking cake to go from a gloopy mass to a light fluffy sponge...

When you breathe in helium, why does your voice sound all funny? Find out in the latest Naked Science Scrapbook!

Why do you start crying after you've chopped into an onion?