In the case of the new finding, by the University of Glasgow and Heriot-Watt University, once slowed the photons stay slowed, they don’t speed up again. Details are published in Science Express.

Scientists from two Scottish universities slow down light as it moves through free space

Comet 67P/Churyumov-Gerasimenko, the subject of the Rosetta satellite mission. Research papers based on the mission’s findings thus far have been published. Photograph: ESA/Rosetta/MPS for OSIRIS

Research based on Comet 67P mission published in Science journal

N49, the brightest supernova remnant in optical light in the Large Magellanic Cloud. Photograph: Universal History Archive/UIG

First time super bubble linked to such high energy and seen in neighbouring galaxy

NUI Galway professor of psychology  Gary Donohoe said the study in terms of numbers was enormous but had to be so in order to succeed.

Three Irish groups participated in major international study

Cats aren’t just a meme thing: your one occasion to talk to us about your cat’s fur without raising eyebrows

The Science pages launch a national survey to learn more about cat genetics

From left, at the stables of thoroughbred  ‘Annagh Haven’ in Oristown, Co Meath is Minister for Jobs, Enterprise and Innovation Damien English, Prof Fergal O’Brien, deputy director of Amber and head of the tissue engineering research group in RCSI, and Laurence Mulvany, owner of the filly ‘Annagh Haven’ (pictured).

Rebuilding of thoroughbred’s jaw allowed it to return to the track

Prof Rocco Lupoi (centre) examines a product sample of his 3D printer and special spray device made at TCD with assistant professors (left) Shaun McFadden and Anthony Robinson. Photograph: Brenda Fitzsimons

European Space Agency finances groundbreaking research into reducing cost of “printing” metals

ESB worker Shane McGowan works on a telegraph pole in Drumcliffe, Co Sligo on Thursday. Photograph: Brian Lawless/PA Wire

Moves afoot across Europe to adopt convention to avoid mixing weather systems up

Minister for Research and Innovation Damien English: “Absolutely convinced” that investment in research was important for Ireland. Photograph: The Irish Times

Experts help build reputation and support jobs agenda, says science foundation chief

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