2007 Series

The Naked Scientists: Science Radio & Science Podcasts

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18th Mar 2007

Cambridge Science Festival Q&A


Dave Ansell

Chris Smith

Kat Arney

Every year the Cambridge Science Festival celebrates some of the best and most exciting science and engineering going on in the UK - and the Naked Scientists were there! We find out about the cool science of ice cream, the microscopic world of microbes, and the IgNobel awards for science at its most silly. Looking further afield, the University of Auckland's Peter Metcalf unlocks the secrets of a viral sarcophagus, and Mike Brown from the California Institute of Technology discusses the origin of some mysterious objects in the Kuiper Belt. To cool us down after all that excitement, Dave and Azi sit back and explain the best way to get a cold beer.

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News

Huge amounts of Ice found on Mars

The European spacecraft Mars Express arrived in Mars orbit in december 2003 to study the planet. It included a giant radar called MARSIS which was designed to look below Mars' surface using long wavelength radio waves. In order to produce the long wavelengths you need a very large aerial, in this ca...

Moody Teenagers

That is SO unfair - Researchers have stumbled on the cause of teenage angst. Sheryl Smith, from SUNY Downstate Medical Centre in New York, has found that a hormone called THP or allopregnanolone, which normally provokes mental calm in adults has the opposite effect in the teenage brain. At around th...

Mag-Nav - Bearings in the Beak

Homing pigeons can find their way safely back home over distances of more than a thousand miles. Because birds don’t have sat-nav, they have to rely on more natural navigation, such as using the position of the sun as a compass. It’s been known for a while that birds also use the earth’s magnetic fi...

Click before you're sick (if you're a caterpillar)

Scientists have found that, when threatened, a species of silk caterpillar emits a series of audible clicks resembling snapping fingernails. Immediately afterwards theysecrete from their mouths a blob of foul-tasting fluid, which is presumably intended to deter predators such as ants and mice, which...

Fat fuels inflammation

If you’re carrying a bit of a spare tyre in the tummy department, you probably just think it just affects your clothing size. But increasingly, it’s becoming clear that excess fat can have significant health impacts. Now researchers in the US have found that fat in the belly might actually be involv...


Kitchen Science

Freezing lemonade bottles

In this cool experiment you can freeze a bottle of lemonade in front of your eyes.


Interviews

Symbiosis meets Climate Change - Science Update

A trio of co-dependent creatures that like it really hot and how the warming world is causing corals and their algae partners to break up.

The best of the Fest

The Cambridge Science Festival - highlights from the opening

Object found in Kuiper Belt suffered impact

An object has been discovered in the Kuiper Belt which was smashed into by something half the size of Pluto, the implications reveal information about configurations in our solar system

Virus particles in crystal sarchophagus

Insect viruses are indestructible thanks to their crystal structure - why is this important? Find out here.


Questions

 

What causes the Earth to have a magnetic field?


If you put some hot water and some cold water in the freezer, which one freezes first?


When you see jets across the sky sometimes they leave vapour trails for miles behind them, sometimes they're barely visible. Is this because of different type of fuel?


I watched a shuttle launch in Florida and a couple of hours later I saw a really bright glow high up in the sky way up above the cloud tops. I was wondering what it was?


What's actually happening when you fry food?


My daughter and I have the beta thalassemia trait and I've read that this can prevent carries from getting malaria. Is this true or do I have the same chance of getting Malaria as everyone else?





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