In this episode:
Red mud is a toxic by-product of aluminium manufacture, and millions of tonnes of it is produced each year. The majority ends up in landfills, pumped into vast lakes or stored in dried mounds, posing a serious environmental risk. This week, researchers demonstrate how red mud can be reused to make iron, a vital component in the production of steel. As their method uses hydrogen plasma rather than fossil fuels, they suggest it could be a way to reduce the carbon emissions associated with the steelmaking industry.
Research article: Jovičević-Klug et al.
News and Views: Iron extracted from hazardous waste of aluminium production
The economics of next-generation geothermal power plants, and the folded-fabric robot that crawls like a snake.
Research Highlight: Flexible geothermal power makes it easier to harness Earth’s inner heat
Research Highlight: Origami fabric robot slithers like a snake
A computational model that predicts a person's likelihood of developing long COVID, NASA finally crack open the lid of OSIRIS-REx’s sample container, and how the ‘Moon Sniper’ craft pulled off the most precise lunar landing ever.
Nature News: Long-COVID signatures identified in huge analysis of blood protein
Johnson Space Centre: NASA’S OSIRIS-REx Curation Team Reveals Remaining Asteroid Sample
Nature News: Japan’s successful Moon landing was the most precise ever
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Alphafold 3.0: the AI protein predictor gets an upgrade
Talking about sex and gender doesn't need to be toxic
Dad's microbiome can affect offsprings' health — in mice
Audio long read: Why loneliness is bad for your health
How gliding marsupials got their 'wings'
Living on Mars would probably suck — here's why
Keys, wallet, phone: the neuroscience behind working memory
The 'ghost roads' driving tropical deforestation
Audio long read: Why are so many young people getting cancer? What the data say
Pregnancy's effect on 'biological' age, polite birds, and the carbon cost of home-grown veg
How climate change is affecting global timekeeping
AI hears hidden X factor in zebra finch love songs
Killer whales have menopause. Now scientists think they know why
These tiny fish combine electric pulses to probe the environment
Could this one-time ‘epigenetic’ treatment control cholesterol?
Audio long read: Chimpanzees are dying from our colds — these scientists are trying to save them
How whales sing without drowning, an anatomical mystery solved
Why are we nice? Altruism's origins are put to the test
Smoking changes your immune system, even years after quitting
Why we need to rethink how we talk about cancer
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