Police form a human barrier against protesters in downtown Los Angeles. Photograph: Luis Sinco/Los Angeles Times via Getty Images

The United States should use the reform process An Garda Síochána has undergone as a template for rebuilding its police forces in the wake of the imp(...)

Drinks bottles are among the most common plastic objects found on European beaches. Photograph: Getty Images

The European Union has finally woken up to the fact its citizens “are increasingly fed up with our throw-away approach to plastic”, says Gerry Kiely, (...)

Former Supreme Court justice Donal Barrington who has died aged 89. Photograph: Cyril Byrne

Former Supreme Court justice Donal Barrington, one of his generation’s foremost experts in constitutional law, has died at the age of 89. He attended(...)

Medical genetic disorders affect about one person in 25.  Photograph: AP

The work on the repair of a gene in human eggs, reported in the journal Nature, is an important scientific achievement. It made use of “Crispr” (clust(...)

Vatican commission for the protection of minors member Marie Collins has criticised the Holy See administration for some frustrating decisions. File photograph: Matt Kavanagh

The Vatican’s commission for the protection of minors has issued a strongly worded statement emphasising that there is a “moral and ethical responsibi(...)