Science Podcasts

Naked Scientists episode

Sun, 10th Feb 2008

Naked Science Q&A Show

A Prostate Cancer Cell (c) Cancer Research UK Electron Microscopy Unit

This week on the Naked Scientists we discover novel drugs in carnivorous plants, genes pointing to prostate cancer and a way to capture waste wattage whilst walking.  We hear about the future of 3D TV, the bio fuel carbon debt and how Pirate Bay could be about to walk the plank!  Also, we take on your questions, such as why do electric lights stay on in a flood, how do animals evolve camouflage and why does a fresh cut throb?  Plus, we have a shocking question of the week about the workings of electric eels, and in Kitchen Science we find out how to tell which drink is diet!

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In this edition of Naked Scientists

Full Transcript

  • 11:24 - Genetics of Prostate Cancer

    Prostate cancer is the most common form of cancer for men in the UK, and now researchers at the Institute of Cancer Research have found seven genes potentially very important in the disease.

  • 14:28 - Wattage Wasted While Walking

    Could we generate electricity from the energy we waste while walking? Professor Max Donelan has developed a way to turn people into the human equivalent of a hybrid car...

  • 20:00 - Why did my light work when soaked?

    I was always told that water and electricity donít mix. After a second of stupidity Iím not sure this is entirely true. I put a nail through my central heating pipe and a vast quantity of water then began to drop into the ceiling space and then went through the light fitting. ...

  • 23:05 - How do living things know how to evolve?

    Iíve been wondering about this question forever, I canít find the answer anywhere. How do living things know how to evolve? Letís take a seahorse, I donít know its name but it looks like a piece of weed in the ocean. How does the seahorse know to turn into that?

  • 24:53 - Could ghrelin be used to stimulate apetite?

    I was interested to hear about ghrelin earlier on in the programme. I wondered if it could be used to help people whoíve got into a condition where they donít want to eat Ė providing they want to have the treatment. Couldnít it stimulate appetite?

  • 26:18 - How fast should I set the fan to defrost the windscreen?

    In Arkensaw it occasionally gets very cold and I have to defrost the windshield of my truck before I drive to work in the morning. I wonder what speed I should set the fan on to get the windshield to defrost the fastest because Iíve noticed that if I breathe on my hand with my m...

  • 27:41 - Why did my thumb throb when injured?

    Today I cut myself with a pretty sharp knife. After I sat down for a minute I felt a pulsing pain in my thumb where I cut myself. I know Iíve felt that way before when it was hurt in waves so why is it not constant?

  • 28:32 - Could subersibles be used without pilots for a long time?

    Can the self-powering submersible be used without a pilot for a long period of time? Unlike the vessel that was used to search for the wreck of the Titanic.

  • 38:43 - Pirate Bay on the Plank

    In the world of technology this week, copyright infringement on the "virtual" high seas as Pirate Bay goes to court, and Microsoft moves to buy Yahoo...

  • 44:32 - Self-Shocking Electric Eels?

    I have a question about electric eels. I was wondering how they, themselves, do not get hurt by the electric shocks that they use to communicate or stun prey. And if they are in water how far does the current carry?

  • 49:04 - Which is Diet?

    If you are ever in a foreign country and don't know which can of drink is the sugary one, here is a way to find out.

  • 53:56 - Why do some places have 2 tides a day and others 4?

    Why do certain parts of the world such as the gulf of Mexico have only two tides a day: one high and one low when other bits of the world have four tides a day?



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