* Astronomy

Files released today show that MI5 labelled the scientist and broadcaster Jacob Bronowski a "security risk" for nearly 20 years

Bronowski is remembered as a brilliant scientist and broadcaster. His series The Ascent of Man, which was transmitted on the BBC in the 1970s, is regularly included on lists of the best TV programmes of all time.
It drew on many different disciplines, presenting a grand sweep of history in a striking, accessible, intellectually exciting way. When he made it, he was head of the Salk Institute in California, a post he had held since 1963.
According to Professor Jardine, though, her father had never wanted to leave Britain. Jacob Bronowski loved the country which had given him refuge as a boy of 12.
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