The biggest specimens of lion’s mane are in Arctic and north Atlantic waters, and one reason for its abundance off Leinster could be that colder water at the bottom of the western Irish Sea suits successful production from the polyps. Illustration: Michael Viney

Those lion’s mane jellyfish that made the lives of some swimmers a misery last summer were of exceptional size. One stranded bell, stretched flat on a(...)

‘An Engineer Imagines’ examines the life and work of Peter Rice (L)

You wait a lifetime for a documentary on a structural engineer and then two arrive in the space of a few weeks – with both on the same structural engi(...)

The then  British prime minister Tony Blair (L) and taoiseach Bertie Ahern sign the peace agreement April 10th, 1998. Photograph: Dan Chung/Reuters

The 1998 Belfast Agreement is not, at its core, a radical document. It does not foresee a long-term future for Northern Ireland that is anything more(...)

The movie The Hangover: Having one hits work and academic performance.

Thirst, headache, faintness, dizziness, nausea and feelings of general lousiness: the clinical symptoms of a hangover. Other than fling yourself in fr(...)

Pedestrians in Dublin during a heavy downpour recently. Photograph: Eric Luke

If you tire of the grey chill of July, I offer you this cold comfort from the Irish summer. According to traditional theories about the relationship (...)

One-third of all funding to support business in the North by its economic development agency Invest NI between 2011 and 2014 went to Queen’s University Belfast, Ulster University and the UK government body responsible for boosting the film industry. Photograph: Alan Betson/the Irish Times

One-third of all funding to support business in the North by its economic development agency Invest NI between 2011 and 2014 went to Queen’s Universi(...)

Researchers checked for beeswax residues on 6,400 ancient pottery vessels and pottery pieces. Photograph: PA Wire

Beeswax has helped researchers track down the earliest beekeepers yet discovered, dating them to the dawn of agriculture at least 9,000 years ago. Hon(...)

Scientific Sue gets her dragon to show off its skills with flammable gases at the Centre for the Advancement of Learning of Maths, Science and Technology (Calmast) based at Waterford IT. File photograph: Patrick Browne

Dragons serve a very useful role in explaining physics and chemistry, and although you may be hard pressed to find one, students can still learn about(...)

Eric Ladizinsky: “We have come a long way in a very short period of time. That is the goal, to become self sustaining”

A strange new kind of computer is under development that is almost too complex to describe. It will have unimaginable power and will easily outperform(...)

There were  77 incidents of domestic abuse reported every day in the last year –  three every hour.

Sixty-seven people across Northern Ireland were killed by their partner, ex-partner or a family member, according to police records covering the last (...)

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