LISTEN 
James Golspie's arrival has transformed the lives of the staff at Twigg and Dersingham.
Simon Singh examines the significance of subatomic particles
4/5 The most common particle in the universe continuously passes through each of us.
3/5 Every particle has an antiparticle. Should the two combine, the result is annihilation.
5/5 A symmetric partner to all the known particles could provide the key to understanding them
Fri 15 Oct 2010 15:45 BBC Radio 4
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