A Laser Interferometer Gravitational-wave Observatory (LIGO) technician performs an optic inspection on devices used to detect gravitational waves. The twin LIGO detectors are located at Livingston, Louisiana, and Hanford, Washington, in the US. Photograph: Caltech/MIT/LIGO/Reuters

Scientists have for the first time detected gravitational waves passing over the Earth. The waves were caused by the collision of two massive black (...)

Meltwater flows along the Greenland ice sheet, one of the biggest and fastest-melting chunks of ice on Earth. Photograph: Josh Haner/the New York Times

The midnight sun still gleamed at 1am across the brilliant expanse of the Greenland ice sheet. Brandon Overstreet, a doctoral candidate in hydrology a(...)

A female investor suggested to Sheri Atwood that she dye her blonde hair darker to be taken more seriously by venture capitalists. Atwood says the recommendation underscores an attitude in Silicon Valley that women make second-class entrepreneurs. Photograph: Beck Diefenbach/Reuters

When she started her child-support tracking business SupportPay, Sheri Atwood expected all kinds of suggestions – but not the tip she got from a fe(...)

Stephen Brobst: “I want to know every click and every search that led up to that purchase. . . interactions are orders of magnitude larger than the transactions. . . the interactions give you the behaviour.” Photograph: Cyril Byrne

Diversity always enhances a technology resumé, but Teradata chief technology officer Stephen Brobst brings an intriguingly eclectic mix to the tabl(...)

Prof Martyn Pemble of the Tyndall National Institute in Cork. Photograph: Daragh Mc Sweeney/Provision

Researchers at Tyndall National Institute, Cork, are collaborating with scientists from the US and Northern Ireland in a Science Foundation Ireland-s(...)

Physicist Dr Dennis Jennings has become the first Irish person to be inducted into the Internet Hall of Fame.

Physicist Dr Dennis Jennings has become the first Irish person to be inducted into the Internet Hall of Fame. Dr Jennings has been named (...)

Growth of output per head determines living standards. Innovation determines the growth of output per head. But what determines innovation?Conventiona(...)