George Soros, the billionaire investor and Democratic donor, has been accused by Republicans, without evidence,  of  funding a caravan of Central American migrants headed for the US border. Photograph: Damon Winter/The New York Times

Three years ago, Hungary’s prime minister accused billionaire George Soros of trying to flood the country with Middle Eastern migrants. In recent wee(...)

A 3D render of a human DNA string. File photograph: Getty Images

US scientists on Wednesday unveiled two new molecular editing tools designed to fix mutations that cause the majority of human genetic diseases, some (...)

Nurse Alex Wubbels is shown during the incident at University of Utah Hospital in Salt Lake City.  Photograph: Reuters

A nurse at a Utah hospital was assaulted by a police officer last month after declining to allow him to obtain a sample of an unconscious patient’s bl(...)

Pixar success story: Toy Story 3

Thanks to much-loved Pixar films like Toy Story, Up, WALL-E, Finding Nemo, Ratatouille and Inside/Out, audiences all over the world happily embrace th(...)

A customer tries out Apple’s Siri voice recognition function. In a study of voice-activation systems, Siri proved the most distracting. Photograph: Jerome Favre/Bloomberg

MATT RICHTELDo not Siri and drive. New research shows that serious distraction can result when drivers use Siri, Apple’s voice-activation system, to (...)

Artist impression issued by the Carnegie Museum of Natural History of Anzu wyliei, a bird-like dinosaur nicknamed the “chicken from hell”, that roamed the Dakotas 66 million years ago. Photograph: Mark Klingler/Carnegie Museum of Natural History/PA Wire

If you’re a dinosaur with a nickname as funky as “the chicken from hell,” you had better be able to back it up. A dinosaur called Anzu (...)

Dr John Ryan, cardiologist and assistant professor at the University of Utah in Salt Lake City. “The reality is patients don’t complain based on organ systems, they complain based on symptoms.”

There are downsides to every job and, in the case of Tipperary-born cardiologist Dr John Ryan, it is telling people they have an incurable illness. Ry(...)