A woman waves an American flag as president Trump supporters watch the presidential debate at the Trump Victory Campaign center in Katy, Texas. Photograph:  Mark Felix/AFPGetty Images

In many ways Texas epitomises a certain idea of America – a land of cowboys and Stetsons, and a tradition of proud small-government individualism. Th(...)

Casual connections with people we encounter in the course of daily life can give us the sense of belonging to a community. Photograph: Gracia Lam/The New York Times

I’m a lifelong extrovert who readily establishes and relishes casual contacts with people I encounter during daily life: while walking my dog, shoppin(...)

A demonstrator walks in front of a row of military police members wearing riot gear outside the White House on Monday evening. Photograph: Jose Luis Magana/AFP via Getty Images

US president Donald Trump on Monday suggested he would use federal troops to end unrest that has erupted following the death of George Floyd, an unar(...)

Mary Lou Craig at the crossroads at Glencullen in south county Dublin after one of her daily runs.

These are increasingly conflicting times for the psyche of runners everywhere. More reason and motivation than ever to go running, only less hope and (...)

The results suggest that frequent, intense and extremely abbreviated exercise “can undo” some effects of being sedentary, said Ed Coyle, a professor of kinesiology and health education at the University of Texas.

Four seconds of high-intensity exertion repeated periodically throughout the day may counteract some of the unhealthy metabolic consequences of sittin(...)

Storage tanks at Tullow Oil’s Ngamia 8 drilling site in Kenya. Photograph: Baz Ratner/Reuters

Tullow Oil, the troubled oil and gas exploration company with Irish roots, has appointed Rahul Dhir as its new chief executive officer, with effect fr(...)

The World Health Organisation said there is  experimental evidence from both animal and human studies that the BCG vaccine has non-specific effects on the immune system. Photograph: iStock

The World Health Organisation has played down studies suggesting that that the BCG vaccine may provide protection against Covid-19 and significantly r(...)

Coronavirus at the point of infection: the visual effect was created by Irish animator and data scientist Eoin Winston of Nexu and Jason McLellan from the University of Texas.

There are many confounding aspects of Sars-CoV-2 (its medical term), the virus that causes Covid-19. One is that we can’t see it with the naked eye. A(...)

On Monday, scientists in Melbourne, Australia, started administering BCG vaccine or a placebo to thousands of healthcare workers. Photograph: iStock

More “striking” evidence has emerged that the BCG vaccine given to counter TB may provide protection against Covid-19 and significantly reduce death r(...)

College students crowded the beaches of Fort Lauderdale, Florida, on March 11th. Some US students who travelled to spring break destinations are now testing positive for the coronavirus. Photograph: Saul Martinez/New York Times

Two weeks ago, amid the coronavirus pandemic, about 70 students from the University of Texas in Austin partied in Mexico on a spring break. The studen(...)

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