Naked Science Q & A and the World of Chemistry
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With a new year comes a whole new stack of science questions to challenge Dr Chris, Dr Dave and Dr Kat. This week they explain where the sand in the Sahara comes from, whether mirrors can reflect x-rays, if it is dangerous to live near a phone mast, and whether splitting water could solve our energy problems. We are also joined by the editor of Chemistry World, Dr Mark Peplow, who talks about labs the size of a postage stamp, nanoparticles in exhaust fumes, and how putting milk in your tea might not be such a good idea, and sticking with chemistry, Dave Ansell discovers which household liquids make dirty pennies look like new. In the fourth part of our series on science and colour, Anna Lacey finds out how wearing red could turn you into a world-class sportsperson.
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Labs on a chip and milk in tea,
How wearing red could make you a top sportsman
Where does all the sand in the Sahara desert come from?
Does drinking too much milk, or calcium, reduce your physical endurance or stamina?
Mirrors reflect visible light. But how effective are they at reflecting other electromagnetic waves like x-rays and radio waves?
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 create a process to turn water into power?
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 are there fossils in the white chalk and the red chalk but none in the sandstone?
Is there a reason for cyclic weight loss?
How does my body absorb the morphine in my dry-feeling patch?
If you've ever wanted your money to have a little extra shine, you can give it a new lease on life using just ordinary stuff you can find in your kitchen! This week Dave is live in the studio, investigating what happens if you put your copper coins into various liquids. Unfortun...
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