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4 articles from Guardian Unlimited Science

LEDs used in tests to replace invasive medical procedures

Researchers produce gadgets such as gastric balloons that break down when lit by swallowable lightsThe days of needing to have medical devices removed through an invasive procedure could be numbered. Researchers have produced gadgets such as gastric balloons that break down when light from a swallowable LED shines upon them.The team say the approach could be extended to a broader range of medical...

The Guardian view on ‘flight shaming’: face it – life must change | Editorial

Individual choices will not solve the climate crisis but ministers should not be encouraging flyingIt started in Sweden, where the term flygskam (flight shame) was coined in 2018 to describe the unease about flying experienced by environmentally conscious travellers. The hashtag #jagstannarpåmarken (which translates as #stayontheground) came into use around the same time, as groups sprang up to...

Nailbiter to keen runner: the three secrets to turning a bad habit into a good one

From looking at my phone too much to sucking air through my teeth and biting my nails, I have habits I’d like to change. Can a treadmill desk and cookery lessons with my girlfriend help? I am going to talk to Wendy Wood about my bad habits. Professor of psychology at the University of Southern California, Wood researches how habits guide behaviour and has written a new book about it: Good...

Psychology in an emergency: Science Weekly podcast

As the bushfires continue to rage across Australia, thousands of people have ended up face to face with the emergency. It’s hard to imagine how you would behave in a disaster like this. Would you panic? Or act quickly and be organised? More than 50 years of psychological and sociological evidence covering mass emergencies shows that people typically behave with cooperation and coordination....