New research into mutations in sperm helps us better understand why they occur, while debunking a few myths in the process, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT
Education under the US blockade
ROBERT POOLE reports back from his mission to Cuba delivering aid and learning from Cuban educators

THE US is waging a war in the Caribbean — one that targets the old, the infirm, and children. It’s a grinding war of attrition aimed at forcing the surrender of a proud people who have dared to defy an empire.
This siege warfare has continued for decades through the illegal blockade of Cuba, attempting to snuff out the last light of socialism in the Western hemisphere.
US designs on Cuba stretch back nearly 200 years, from attempting to buy the island from Spain in 1848 to supporting the Batista dictatorship in the mid-20th century.
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