Naked Scientists Podcast

Naked Scientists episode

Sun, 20th Nov 2011

Is Technology Altering Your Brain?

Music and the brain (c) Peter Finnie

Is modern technology changing your brain?  How fast does flu fly?  Can you build a lightsaber?  Your questions are the stars on the Naked Scientists this week, as we discuss the implications of faster-than-light travel, the risks of skydiving through a thundercloud, and ask if dogs can sniff out cancer.  Plus, we find out how the brain detects different diets, what happens when black holes collide, and in Kitchen Science, how a coin can make a balloon roar!

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In this edition of Naked Scientists

Full Transcript

  • 06:52 - More superluminal neutrinos

    In September results indicating that neutrinos travel faster than the speed of light were released, this week the same group has released further data.

  • 11:28 - How do flu viruses spread so rapidly across the globe?

    Hello. According to a television programme that I was watching recently the flu pandemic of 1918 and apparently the flu was travelling faster across such places as – Alaska, Canada, Soviet Russia, et cetera even though they didn’t have modern day transport. And this particular ...

  • 25:19 - How the Brain Detects Diet

    Denis Burdakov explains what happens when you have food on the brain...

  • 31:38 - How can a spaceship change direction?

    How can a spaceship change direction in space when – unless I was misinformed - I was told it is a vacuum. So it’s got nothing to thrust against? And the second question is, I'm old enough to remember Sputnik 1 going up, and it didn’t stay up very long, although I was told it wa...

  • 44:04 - Are bee colonies incestuous?

    Dear Naked People A colony of bees would seem to have the same DNA as the rest of their colony. Although there is possibly some competition between worker bees to mate with a new queen, surely they share the same DNA as her and the rest of the colony? Does this not weak...

  • 46:18 - Roaring Balloon

    Make various strange noises using a couple of balloons and some coins and nuts.

  • 50:06 - Can we build a lightsaber?

    I've been wanting to ask this one for a looong time... My sons (Lucas and Tristan) are Star Wars fans, and asked me if it was possible to make a real lightsaber. I said no, of course, but when they asked me WHY NOT?... I couldn't give them a thorough scientific explanation. Pleas...

  • 51:24 - Can dogs sniff out cancer?

    Ia there any truth to dogs being able to 'sniff out cancer'? If so can you explain the science and the implications?



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