This year’s Bristol Radical History Festival focused on the persistent threats of racism, xenophobia and, of course, our radical collective resistance to it across Ireland and Britain, reports LYNNE WALSH

THE double helix structure of DNA was discovered in 1953, but at the time the structure of genes themselves remained unknown. But the term “gene” had already been in use for decades as a convenient term for the mysterious basic unit of heredity.
Writing in 1911, the Danish botanist Wilhelm Johannsen referred to the term as “nothing but a very applicable little word, easily combined with others.” Once it was understood that genes were made of DNA, new questions opened up.
In the 1950s and onwards, the only organisms that could really be investigated in detail were microorganisms. As a result, almost all early molecular biology was done on bacteria and their viruses.

A maverick’s self-inflicted snake bites could unlock breakthrough treatments – but they also reveal deeper tensions between noble scientific curiosity and cold corporate callousness, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT
Science has always been mixed up with money and power, but as a decorative facade for megayachts, it risks leaving reality behind altogether, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT

