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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.
material.world@bbc.co.uk
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Listen to 4 March
YOUR QUESTIONSListen
Hear the answer to
this week's question:


Why don't clouds have a front and back end?  Why do they have clearly defined edges?
Dinah Lloyd and Tom Osorio

Email your question to:
material.world@bbc.co.uk

See the complete list of Questions and Answers
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QUENTIN COOPER
Quentin Cooper
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Thursday 4 March 2004
Ballet dancers
Dancers

On this week's programme...

Seeing and doing
Do you have two left feet or do you see yourself as a bit of a Fred Astaire or Ginger Rogers?

Dancing has been part of human culture since the start of civilization.  But some of us are inherently better at picking up the moves than others. 

Material World investigates how our previous experience affects what we see, and how the brain mirrors movement when we're watching someone else.

On the eve of the 'Winchester Festival of Art and the Mind', Quentin Cooper talks to neuroscientists Dr Daniel Glaser and India Morrison, and discovers the brain's mirroring process can be applied to pain as well as motion.

Preservation
It's often said that humans live only in the present, and find it hard to even peer a few hours into the future.  But when it comes to the past, our vision is considerably sharper. 

Techniques carefully constructed over hundreds of years now allow us to look literally hundreds of millions of years into the past

The fossil record, a sequential line of preserved remains, forms the backbone for many of the modern day theories and explanation. 

But how reliable is this evidence?  How do such stunningly preserved fossils come about, and even with them to view, are we trying to fill in the plot of an entire book after only reading the first sentence?  

Dr Mark Purnell from the University of Leicester and Dr Dave Martill from the University of Portsmouth join Quentin Cooper to dig a little deeper into the fossil record.
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