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The Naked Scientists Podcast

Listen Here! The Science of Sound and Hearing

The Naked Scientists Podcast

Dr Chris Smith

Science Radio, Natural Sciences, Engineering, Science, Medicine, Life Sciences, Technology, Health & Fitness, Naked Scientists

4.6893 Ratings

🗓️ 10 January 2010

⏱️ 60 minutes

🧾️ Download transcript

Summary

We open our ears to the science of sound and hearing this week with a look at the genetic causes of deafness and how a deaf person's brain decodes sign language. We also hear how auditory illusions can fool you into hearing things that aren't there and meet a sound simulation system that can improve the clarity of railway station announcements and recreate the "cocktail party effect" to help build better hearing aids. Plus, we find out why light makes migraines more painful, how cleaner fish keep each other in check and, in Kitchen Science, Dave swaps Ben's ears around... Like this podcast? Please help us by supporting the Naked Scientists

Transcript

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0:00.0

Boldly going where no science show has gone before.

0:06.0

The Naked Scientists.

0:09.0

Hello and also

0:15.0

also with Diana O' Carroll, hi Dana, hello and also with me Chris Smith.

0:19.2

Now this week scientists have shed some light on why migraines cause photophobia, in other words

0:24.7

a dislike of bright lights, and incredibly some blind people are also affected.

0:29.9

And we'll find out why shortly.

0:32.0

Also how cleaner fish punish their feeding fellows if they

0:35.4

cheat and eat something that they shouldn't. Sounds up my household. And also how

0:39.0

researchers have found a way to repair a defective enzyme that normally protects people from heart

0:44.4

attacks but it also helps them to break down alcohol so Friday nights for them are

0:48.4

very very cheap at the moment could become more expensive that's all on the

0:51.0

way dana. And also this week we're looking at the science of sound and specifically how we respond to it.

0:57.0

We'll hear how genes are linked to the development of the hair cells in the ear that turn sound waves into brain waves.

1:03.0

How brains of deaf people decode sign language,

1:06.0

how our ears fool us into hearing things that aren't there.

1:09.0

And how clever computer systems can now help to make sure

1:12.0

that station announcements that used to sound like this.

1:15.0

Pure Systems can end up sounding like this.

1:24.0

Pure systems would base five and six.

1:27.0

Usets and very rare.

1:29.0

But they greatly occurs in English when we use score for, as in you score? Sounds good to me.

...

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