A woman places a bouquet of roses at a memorial for Sandra Bland near Prairie View A&M University on Tuesday. Photograph: Pat Sullivan/AP

Authorities in the US have insisted that a patrol car video showing the arrest of a black motorist, who was later found dead in a jail cell, was not e(...)

 President Barack Obama: stressed that there was no alternative to the deal. Photograph: Getty Images

The tough negotiations leading to a nuclear deal with Iran may have concluded in Vienna, but the hard work on selling the agreement to sceptical Repub(...)

José del R Millán from the Ecole Polytechnique Fédérale de Lausanne and the electrode-studded hat capable of analysing brain signals which are then given to a robot as instructions to follow. These instructions are transmitted in real time over the internet

“Humans are not disabled, humans are not broken. Our built environment, our technology is disabled. We need not accept our limitations.” These were t(...)

Former Governor of Maryland Martin O’Malley waves to the crowd with his wife, Katie, after formally announcing his campaign for the 2016 Democratic presidential nomination in Maryland. Photograph: Jim Bourg/Reuters

Barbara O’Malley recalls the first time her son Martin ran for office. It was high school, the eighth grade and O’Malley was 14. As well as passing on(...)

Democratic US presidential candidate and former Governor of Maryland Martin O’Malley formally announces his campaign for the 2016 Democratic presidential nomination in Federal Hill Park in Baltimore, Maryland May 30, 2015. Photograph: Jim Bourg/Reuters

Protesters angered at Martin O’Malley’s zero tolerance policing policy as mayor of Baltimore heckled the Irish-American politician during his presiden(...)

Vanya Shivashankar (13) and Gokul Venkatachalam (14) hold up the trophy after jointly winning the 2015 Scripps National Spelling Bee in National Harbor, Maryland. The competition is dominated by children of Indian descent. Photograph: Alex Wong/Getty Images

Like prized fighters swapping punches, Vanya Shivashankar and Gokul Venkatachalam matched each letter for letter, word for word. The other eight fina(...)

Senators Kathy Campbell and Ernie Chambers celebrate after Republican governor Pete Ricketts’ veto of a bill to ban the death penalty was overridden. Photograph: Andrew Dickinson/The New York Times

Nebraska became the 19th American state to outlaw the death penalty and the first traditionally controlled by conservatives to repeal capital punishm(...)

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 (...)

US vice-president Joe Biden said that more than 1.2 million Irish voters “took a courageous stand for love and family when they overwhelmingly chose marriage equality”. Photograph: Andrew Harrer/Bloomberg

US vice-president Joe Biden has described Ireland as “a nation where the people resoundingly stand for equal rights” after the Irish people voted by a(...)

Aidan Gavin (left) of  DTZ Sherry FitzGerald,   former governor of Maryland  Martin O’Malley  and  Mark FitzGerald  of Sherry FitzGerald Group.

US presidential hopeful Martin O’Malley is stressing his relative youth as he prepares to challenge the perception that Hillary Clinton’s campaign (...)