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39,940 articles from Guardian Unlimited Science

Scientist fed classified information to China, says Canada intelligence report

Report says Xiangguo Qiu secretly worked with Wuhan Institute for Virology and posed a ‘threat to Canada’s economic security’A leading research scientist at Canada’s highest-security laboratory provided confidential scientific information to Chinese institutions, met secretly with officials and posed “a realistic and credible threat to Canada’s economic security” according to newly...

Study offers hope in identifying high-risk prostate cancer patients

Researchers find way to classify prostate cancer that might help identify 15% of men with more aggressive typeThe most common type of prostate cancer has two distinct ways of developing in the body, researchers have found, opening up new possibilities for identifying which patients need treatment.Prostate cancer is the most common form of cancer in men, with one in eight diagnosed with the disease...

Prologue: the collision – podcast

The beginning of a new series that explores seven stories and the thread that ties them together: artificial intelligence. In this prologue, Hannah (not her real name) has met Noah and he has changed her life for the better. So why does she have concerns about him? Continue...

The debilitating impact of tinnitus, and how a new app could help – podcast

It’s thought that about 15% of us are affected by tinnitus, and despite its potentially debilitating impact on mental health and quality of life, there isn’t any cure for the condition. Madeleine Finlay speaks to John, who has used CBT techniques to learn to live well with his tinnitus, and Dr Lucy Handscomb, a tinnitus researcher who is involved in trialling a new app that could hold promise...

First North Korea spy satellite is ‘alive’ and being controlled, experts say

Changes in orbit of Malligyong-1 suggest Pyongyang is successfully maneuvering the satelliteNorth Korea’s first spy satellite is “alive”, space experts have said, after detecting changes in its orbit that suggested Pyongyang was successfully controlling the spacecraft – although its capabilities remain unknown.After two fiery failures, North Korea successfully launched the Malligyong-1...