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Science
THE MATERIAL WORLD
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Thursday 16:30-17:00
Quentin Cooper reports on developments across the sciences. Each week scientists describe their work, conveying the excitement they feel for their research projects.
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LISTEN AGAINListen 30 min
Listen to 03 July
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QUENTIN COOPER
Quentin Cooper
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Thursday 03 July
 2008
Bumblebee on Sunflower ...
Bumblebee on Sunflower ...

Bee Declines

Over a third of all the honeybees in the United States have died in the past two years.

Beekeepers in the UK are noticing declines in the number of bees surviving the winter.

Three out of the 25 species of bumblebees native to the UK are now extinct with others facing losses.

What’s happening to our bees?

Quentin Cooper talks to Alison Benjamin amateur beekeeper and co-author of “A World Without Bees” and Dr Nigel Raine, bee ecologist from Queen Mary University in London to find out.

Tungunska Fireball

On the 30th June 1908, a huge fireball hurtled towards the Tunguska River region of Siberia.

The explosion that followed was as powerful as 1000 Hiroshima bombs and knocked down an estimated 80 million trees.

But 100 years later scientists are yet to find an impact crater or tell-tale meteorite remains.

So what happened?

Quentin is joined by Dr Phil Bland and Gareth Collins from Imperial College London to find out.

Next week: Diagnosing disease using blood, sweat and wee ...
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