“You’re absolutely right that we don’t make money on certain customers on day one, but on the average customer, on day one, we make money,” said Oisin Hanrahan, co-founder and chief executive of Handy, one of the largest on-demand home cleaning start-ups.

Jet. com, a well-funded new shopping site, opened to the public last week and celebrated the debut by sending reporters a big box of swag. I got a T-s(...)

The beach in Paris along the Seine between the Pont Neuf and Pont du Sully

Parisian summer and Rodin returns Paris has gone summer crazy with a 3.5km beach – above – along the Seine (between the Pont Neuf and Pont du S(...)

Clodagh Cogley (21) arrived at Dublin Airport on Friday, six weeks after the Berkeley balcony collapse which left six students dead and a further seven injured.

Clodagh Cogley (21) arrived at Dublin Airport on an Aer Lingus flight from San Francisco at 12.20pm on Friday, six weeks after the Berkeley balcony co(...)

Recovering: Aoife Beary, who is still being treated at Santa Clara Valley Medical Centre, Clodagh Cogley, who is back in Ireland, and Niall Murray and Hannah Waters, who are also both still at the Santa Clara centre

Last Sunday the families of the four students still being treated in hospital after they were injured in the balcony collapse in Berkeley, on June (...)

The Library Gardens Apartments in Berkeley, California, before the balcony collapse which killed five Irish J-1 students and one Irish-American student. Photograph: Google Maps

Where did the water come from? That’s the question. It is six weeks since the balcony collapse at an apartment block in Berkeley that killed fi(...)

Ariel Waldman: the former Nasa employee is keen to break down perceived barriers to science via the ‘Science Hack Day’ events

All-nighters are not fun. Whether catching up on office work, studying for an exam or doing extra project research, they rarely feel productive. Howe(...)

Clockwise: Dr James Crew, chairman of the Sanata Clara Valley Medical Centre and Berkeley survivors Niall Murray; Hannah Waters; Aoife Beary; and a recovering  Clodagh Cogley

The brain injury and spinal cord centre at the Santa Clara Valley Medical Center, 80km south of San Francisco, is busy with doctors, nurses and suppor(...)

A picture of Kate Steinle is set up at a Senate hearing last week. The 32-year-old was allegedly shot by an immigrant who had been deported to Mexico five times. Photograph: Michael Reynolds/EPA

Pier 14 is one of the most beautiful tourist spots in San Francisco, jutting out next to the Bay Bridge that connects the city to Oakland and Berkeley(...)

Andrew O’Driscoll: “There are some things I miss about being an entrepreneur . . . but you can’t always have it your way”

Plenty of would-be Irish entrepreneurs flock to Silicon Valley these days in search of funding. One man who found success in the Bay Area many moons a(...)

Kurtis Wade performing at a fundraising concert in aid of the Berkeley balcony collapse families at the Academy in Dublin. Photograph: Alan Betson/The Irish Times 1:42

A fundraising event for survivors of the Berkeley balcony collapse and their families drew a large crowd to the Academy on Abbey Street in Dublin on T(...)