The terrorists struck at the city’s most vibrant and diverse neighbourhoods where integration has been visibly successful, in sharp contrast to the blighted suburbs to the north.  REUTERS/Philippe Wojazer TPX IMAGES OF THE DAY

Since Saturday a brief statement has been posted on the door of the Omar Ibn El Khattab mosque on the rue Jean-Pierre Timbaud, a short walk from the s(...)

Colm Toibin: ‘I was editor of Magill at 27. I wrote my first novel as a way of keeping the daily business of Garret Fitzgerald and Charlie Haughey and all those stories at bay.’ Photograph: Gareth Cattermole/Getty Images for BFI

Colm Tóibín is not just famous; he has a public persona. The red-framed spectacles that hang round the writer’s neck are not quite so well known as(...)

American author EL Doctorow pictured in 2004. The author died Tuesday. He was 84. Photograph: AP

EL Doctorow, the author of popular novels grounded in American history including “Ragtime” and “Billy Bathgate, ” has died at age 84, his publisher sa(...)

Big data has made it possible to measure employee performance more thoroughly, but be careful about how you deploy that data. Image: Michael Waraksa/The New York Times

Big data has made it possible to measure employee performance more thoroughly than ever before. However, two recent studies offer a warning: be car(...)

Thirty-seven years ago, when Paul McGuinness signed a virtually unknown teen rock band called U2, he was also interested in making movies. After dr(...)

The heart of the Milky Way taken in near infra-red light using the Very Large Telescope. According to latest estimates the galaxy measures 4.179 x 10^38 metric tonnes. File photograph: ESO/S. Gillessen et al/PA Wire

An international team of scientists have come up with a better estimate for the mass of the Milky Way Galaxy. Some might question why we need to know(...)

The US Defense Department  accidentally sent shipments of live anthrax bacteria from the Dugway Proving ground facility (above) to labs in nine US states and to a US air base in South Korea. Photograph: George Frey/Epa

The US military mistakenly sent live anthrax bacteria to laboratories in nine US states and a US air base in South Korea, after apparently failing to (...)

Peter Gay, who has died aged 91, was a German-born historian who wrote groundbreaking books on the Enlightenment, the Victorian middle classes, Sigmun(...)

Members of the US National Guard  in Baltimore, Maryland. The city remains under curfew following riots on Monday. Photograph: Mark Makela/Getty Images

Hillary Clinton, the frontrunner for the Democratic nomination in the 2016 presidential election, has called for the widespread use of police body cam(...)

Data privacy: many of the technology tools we use today are showing themselves to be insufficient for protecting our information

Debates about privacy frequently are debates about the role of technology in our lives, according to Trevor Hughes, the president and chief executive (...)