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4 articles from Guardian Unlimited Science

Studies on nature’s mental health benefits show ‘massive’ western bias

Research focuses on rich, white populations, while indigenous peoples may have different views of natureSpending time in the great outdoors is good for your mental health, according to a growing body of research. For example, getting out and about in forests and parks has been shown to increase happiness and alleviate symptoms of depression and anxiety. But are the benefits universal?A review...

Man who received landmark pig heart transplant died of pig virus, surgeon says

David Bennett died two months after groundbreaking surgery in which a genetically modified pig’s heart was transplanted into himThe 57-year-old patient who survived two months after undergoing a landmark pig heart transplant died of a pig virus, his transplant surgeon announced last month.In January, David Bennett, a handyman who suffered from heart failure, underwent a highly experimental...

Eta Aquariids meteor shower 2022: how and when to watch it in Australia

With optimal viewing conditions this year, the annual event is set to peak on 7 May with viewing opportunities until 11 MayGet our free news app; get our morning email briefingStar gazers across Australia are in for a treat in the early hours of Saturday with the Eta Aquariid – one of the best meteor showers in the southern hemisphere – due to optimal viewing conditions. Named after Eta...

Vegan diet can help overweight people shed pounds, study shows

Eating vegan for 12 weeks also led to lower blood sugar levels in overweight people or with type 2 diabetesVegan diets can help people who are overweight or have type 2 diabetes lose weight and lower their blood sugar levels, research suggests.A meta analysis showed that adhering to a vegan diet over three months reduced body weight by about 4.1kg (9lb) on average compared with control diets, and...