Julie Byrne (left) with Monkstown Tennis Club’s senior coach Stephen O’Shea Dublin as phase one of Ireland’s five phase exit plan was triggered on Monday. Photo: Donall Farmer/PA Wire

The specifics of the Covid-19 regulations that govern the resumption of tennis are immediately visible on stepping through the gates of the beautifull(...)

Vitamin D deficiency is common in Ireland and is most prevalent with age, obesity, in men, in ethnic minorities, in people with diabetes, hypertension and in nursing homes.

The Government should immediately change recommendations for vitamin D supplements as a matter of urgency by urging all adults to take them during the(...)

A woman, infected by the new  coronavirus, awaits a Caesarean section, in China. The risks for pregnant women worldwide seem no greater than for anyone else, but initial  research only applies to later stage of pregnancy. Photograph: STR/AFP via Getty Images

Pregnant women are often particularly susceptible to respiratory infections and, once infected, can become seriously ill, with long-lasting consequenc(...)

Researchers found that the athletes did hear and make sense of sounds differently than most of us. Photograph: iStock

Top athletes’ brains are not as noisy as yours and mine, according to a fascinating recent study of elite competitors and how they process sound. The (...)

A new study has found that an AI system  can identify cancer in breast screening mammograms with fewer false positives, and fewer false negatives than radiologists. File photograph: Peter Byrne/PA Wire

An artificial intelligence programme has been developed which can detect breast cancer from mammograms better than experts, a study found. A new stud(...)

The  most important advice: Do not check your sleep data on a regular basis. Photograph: Andrey Popov/iStock

For the last two weeks, I’ve added an extra step to my bedtime routine – strapping a computer around my wrist. The new nightly move was prompted by a(...)

Sam Altman (left) who manages the company OpenAI, and Satya Nadella, the chief executive of Microsoft, which is investing $1 billion in OpenAI.

Microsoft has pumped $1 billion (€892 million) into Silicon Valley’s most ambitious artificial intelligence research group in pursuit of the ultimate (...)

 A mock world cup trophy  in a   shop in Souk Waqif in Doha. Photograph:  Ibraheem al Omari/Reuters

On New Year’s Day, the people of the oil- and gas-rich gulf state of Qatar woke to find a “health” tax had been implemented overnight, doubling the pr(...)

Gatorade has  created a patch that it claims will let you know you’re dehydrated by simply looking at it.

Someday soon, perhaps within a year, you’ll be able to slap a soft, stretchy patch on to your arm that tells you if you’re dehydrated. Or that your el(...)

IBM chief executive Ginni Rometty in the Constitution Room at the Shelbourne Hotel, where the company  established its Irish business. Photograph: Nick Bradshaw

By late afternoon, IBM chairwoman, president and chief executive Ginni Rometty already has had a chock-a-block day, meeting Government representative(...)

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