Extended napping could cause cognitive decline in older people

Image credit: Silver Santé Study

Regular naps may be one of the privileges of retirement but research is pointing to napping as a contributor to cognitive decline. Scientists are now testing the idea that older people should instead meditate or learn a language to preserve brainpower and wellbeing. Sleep serves a crucial function in brain health and maintenance, but regular, … Read more

Scientists can predict rare leukaemia 8 years before symptoms begin

Image Credit: National Cancer Institute

A study of more than half a million blood samples has allowed scientists to pinpoint the risk factors for a rare type of leukaemia, enabling them to predict if someone will develop the disease eight years before symptoms appear and opening the door to preventative treatments. Acute myeloid leukaemia (AML) is a rare cancer usually … Read more

The video games that improve kids’ social skills

Image credit - Pixabay/ StockSnap, licensed under CCO

Video games that are specifically designed to test and improve children’s social and emotional skills could enable parents and teachers to spot issues and help children improve their behaviour and performance at school as well as in later life. Imagine racing through a virtual labyrinth against an alien and losing. Given the chance to rerun … Read more

System to rid space station of astronaut exhalations inspires Earth-based CO2 removal

Image credit - NASA/Mark Garcia

When astronauts aboard the International Space Station (ISS) exhale carbon dioxide (CO2), it’s removed from the air and pumped into space. Could an Earth-based version help remove greenhouse gas emissions from our atmosphere? In order to limit global warming to 1.5˚C above pre-industrial levels and avoid some of the worse impacts of climate change, it … Read more

Nature or nurture: How do we end child obesity?

An estimated 224 million children worldwide are overweight or obese.

A smartphone app that challenges children to engage in healthy behaviour, and genetic studies that investigate risk factors for obesity, are taking a nature and nurture approach to tackling one of the biggest epidemics of our time – childhood obesity. Around 224 million children around the world are overweight, making obesity one of the biggest public health … Read more

Climate actions that lift people out of poverty are often most cost-effective

Limiting global warming to 1.5°C would save hundreds of millions of vulnerable people from being exposed to the extremes of a 2°C world.

The most cost-effective climate change actions are also those that could help us achieve sustainable development goals (SDGs) such as ending poverty and hunger, according to Dr Keywan Riahi, director of the energy program of the International Institute Applied Systems Analysis (IIASA) in Austria, who says the first step should be to cut our energy … Read more