Our immune cells can sometimes recognise and destroy cancer cells without assistance. But tumours may hide by taking advantage of a gene called CD47

Scientists have used genetically reprogrammed bacteria to destroy tumours in mice. The innovative method one day may lead to cancer therapies which tr(...)

Scientists report the first large-scale demonstration of an approach that can identify this hidden brain function right after injury, using specialised computer analysis of routine EEG

Doctors have known for years that some patients who become unresponsive after a severe brain injury nonetheless retain a “covert consciousness,” a deg(...)

Jo Cameron, who has a rare disorder that means she does not experience pain or anxiety, in Gilsland, England. Photograph: Mary Turner/The New York Times

A recent article about Jo Cameron – who has lived for 71 years without experiencing pain or anxiety because she has a rare genetic mutation – prompted(...)

Actor Luke Perry (pictured here in 2015), who rose to stardom on the 1990s US television drama Beverly Hills 90210, died on Monday at the age of 52. He had been in hospital after suffering a ‘massive’ stroke last week, his publicist Arnold Robinson said. Photograph: Frederick M Brown/Getty Images

Luke Perry’s death, following a massive stroke, is both a tragedy and a bit of a mystery. The actor was just 52 years old, and the vast majority of st(...)

“Not an hour went by without some kind of disruption. It’s a terrible way to start recovery.” Photograph: iStock

If part of a hospital stay is to recover from a procedure or illness, why is it so hard to get any rest? There is more noise and light than is conduc(...)

Netwatch co-founders David Walsh, left, and Niall Kelly with Taoiseach Leo Varadkar, centre. Photograph: Conor McCabe Photography

With more than 300,000 customers in the US and Europe and 500 staff spread across three countries, Netwatch is well on the way to achieving its founde(...)

 Charles Krauthammer: Named in 2006 by the “Financial Times” as the most influential commentator in the US, he has died at 68. Photograph: Michael Temchine/New York Times

Pulitzer Prize winner Charles Krauthammer, who gave up a psychiatric career to become one of the leading conservative political commentators in the US(...)

'When I would actually think about killing myself, I would think, ‘Am I really just gonna kill myself over a penis?’' Photograph: Andrew Mangum/New York Times

In a 14-hour operation, a young military veteran – whose genitals were blown off by a bomb – has received an extraordinary transplant: a penis, scrotu(...)

During a brain surgery, a team led by Dr David Langer uses a videomicroscope, which provides a magnified, high-resolution 3D image, at Lenox Hill Hospital in New York. Photograph: Beatrice de Gea/The New York Times

One blue surgical drape at a time, the patient disappeared, until all that showed was a triangle of her shaved scalp. “Ten seconds of quiet in the ro(...)

Orreco chief operating officer Fiona Slevin  and chief executive Brian Moore.

Orreco is a company that merges biology and advanced computer technology as a way to help elite athletes train longer, recover faster and reduce the (...)

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