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

KEIR STARMER’S authoritarian inclinations, highlighted a year ago by Peter Oborne and Richard Sanders, have become increasingly evident since his efforts to purge the left from the Labour Party.
These tendencies appear to be steering Britain toward a trajectory reminiscent of totalitarian and oppressive regimes, such as Saudi Arabia. This shift is marked by assaults on freedom of speech and journalistic freedom, both of which are essential to a functioning democracy and a healthy society.
In the first two months of a new Labour government, there appears to be a marked escalation in what was already a government war on journalists and on the right to protest, particularly relating to the environment and climate emergency and above all to Gaza.

CLAUDIA WEBBE argues that Labour gains nothing from its adoption of right-wing stances on immigration, and seems instead to be deliberately paving the way for the far right to become an established force in British politics, as it has already in Europe

The New York mayoral candidate has electrified the US public with policies of social justice and his refusal to be cowed. We can follow his example here, writes CLAUDIA WEBBE

