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the conversation
1076 posts
Dyson spheres: astronomers report potential candidates for alien megastructures – here’s what to make of it
Simon Goodwin, University of Sheffield There are three ways to look for evidence of alien technological civilisations. One…
Phone cameras can take in more light than the human eye − that’s why low-light events like the northern lights often look better through your phone camera
A May 2024 solar storm made the northern lights visible across parts of the northern U.S. AP Photo/Lindsey…
Ultrasound waves zapped at the brain are being used to treat everything from hand tremors to addiction
Elsa Fouragnan, Author provided Elsa Fouragnan, University of Plymouth One in four people has a mental disorder, according…
Masks work, our comprehensive review has found
Trish Greenhalgh, University of Oxford; C Raina MacIntyre, UNSW Sydney, and David Fisman, University of Toronto When a…
How farming could change in a post-growth world
Handan Vicdan, EM Lyon Business School Degrowth, or the idea that we can save the planet by shrinking…
What is ‘Net Zero’, anyway? A short history of a monumental concept
Ruth Morgan, Australian National University Last month, the leaders of the G7 declared their commitment to achieving net…
You leave a ‘microbe fingerprint’ on every piece of clothing you wear – and it could help forensic scientists solve crimes
Microgen / Shutterstock Paola A. Magni, Murdoch University; Noemi Procopio, University of Central Lancashire, and Sarah Gino, Università…
Solar storm knocks out farmers’ high-tech tractors – an electrical engineer explains how a larger storm could take down the power grid and the internet
Typical amounts of solar particles hitting the Earth’s magnetosphere can be beautiful, but too much could be catastrophic.…
The brain might also have a microbiome – what you need to know
Janosch Heller, Dublin City University The microbes that live in your gut are having their moment in the…
Why cheap renewables are stalling
Jack Marley, The Conversation Last summer, the northern hemisphere was the hottest it has been for 2,000 years.…