The Black Mamba, the largest venomous snake in Africa. The researchers found strong evidence that venoms have evolved to be more potent toward animals that are more closely related to their diet

Irish researchers have revealed why the venom of some snakes makes them more deadly than others – and how venom has evolved depending on where they li(...)

Alex Younger, chief of the Secret Intelligence Service  –  known as MI6 –  at the University of St Andrews on Monday in Scotland. Photograph: Andrew Milligan/Getty Images

The head of the UK’s secret service, Alex Younger, signalled security concerns over the Chinese telecoms group Huawei in a rare speech that underlined(...)

Saint Columbanus as depicted in the Irish College in Rome

I’m not sure why Columbanus, the sixth- century holy man whose feastday this is, should be considered the patron saint of motorcyclists.  It see(...)

 Mo Mowlam with her portrait painted by artist John Keane in 2002  at the National Portrait Gallery in  London. Photograph: Kirsty Wigglesworth / PA

How important can a wig toss on a Monday, a hug on a Tuesday, and an expletive on a Wednesday really be to a peace process? Some people may argue not (...)

 Former Catalan minister Clara Ponsatí leaves after she was granted bail, following her appearance at Edinburgh Sheriff Court in Edinburgh, Scotland. Photograph: EPA/Andy Rain

Pro-independence parties in Catalonia’s parliament defied the Spanish judiciary on Wednesday by approving a motion asserting the right of Carles Puig(...)

TerminalFour founder and chief executive Piero Tintori

Irish technology firm TerminalFour experienced double-digit growth this year leading to it securing €4.2 million in new business wins. The company sa(...)

Many young people use technology for two hours or more each weekday for things such as social media, surfing the internet and homework. Photograph: iStock

A dramatic rise in the use of computers and social media is wreaking havoc on the health of young people, a report from the World Health Organisation (...)

E-cigarettes has been given an emphatic thumbs up by health experts after the first long-term study of its effects in ex-smokers. Photograph: Yui Mok/PA Wire

Vaping has been given an emphatic thumbs up by health experts after the first long-term study of its effects in ex-smokers. After six months, people (...)

Everyone knows Tyrannosaurus Rex was a super predator, but did that beast also snack on carcasses left behind by other predators? File photograph: Getty Images

Vultures and hyenas have provided the inspiration for a study that helps establish who got to eat what during the age of the dinosaurs. Some were mi(...)