While helmets make cycling safer in places where accidents are more likely or when cycling as a sport, people who cycle in cities where cycling is the norm rarely wear helmets for short journeys.

Only three out of 10 people cycling in Ireland are women and about one in 10 teenagers cycling to school are girls, according to a recent study. A ne(...)

Prof Valeria Nicolosi with a microscope that can examine objects a million times smaller than a human hair. Photograph: Naoise Culhane

Battery low and yet miles to go. It’s a pain for consumers and a challenge for manufacturers: how do you make a battery that can store more charge an(...)

Addiction and recovery are hellishly complex, profoundly personal and dramatically life-altering events. File photograph: Getty Images

September is National Recovery Month around the world - a time to “celebrate the gains and share the successes” made by those in recovery from drink/d(...)

Three Irish crews go into action in the Henley Regatta over the next two days.  Photograph: Alan Crowhurst/Getty Images

The opening day of Henley Royal Regatta brought no joy for Ireland. The two top eights in the country were drawn against tough competition and both ex(...)

Democratic presidential candidate Bernie Sanders speaks during a rally  in Pittsburgh, Pennsylvania, on Monday. Photograph: Jeff Swensen/Getty Images

In the City of Brotherly Love, there was not much sisterly affection for Hillary Clinton among Bernie Sanders’s supporters at a rally on Monday night.(...)