🎧 Episode 265

⚡️ The latest mpox variant has infected a record number of people in central Africa, has been found in travellers in Sweden and Thailand, and the World Health Organization has now declared it a public health emergency of international concern – just 15 months after the previous such declaration for mpox expired in 2023. But is this virus likely to become another covid? And as health authorities in the most affected countries struggle to keep it under control, will we be able to avoid further global outbreaks of the disease?

⚡️ New rogue worlds have been discovered in our galaxy that resemble both planets and stars but are neither. Thought to be brown dwarfs, the sheer number of them calls into question our understanding of how planet-sized objects form. This, plus another failed – but also successful – attempt to find dark matter’s hypothesised WIMPs.

⚡️ As a piece of music builds up to its crescendo, our brains know exactly when the beat is about to drop. Researchers have discovered the parts of our brains that are responsible for making sense of musical changes or “boundaries” – and this is true whether you’re listening to Mozart or Metallica.

⚡ Clothes made from…potatoes? An idea to turn fibres from potato stems into fabric has turned from concept to reality. If we can use potato fibres instead of other more energy intensive materials, the designers say, we could reduce the environmental footprint of clothing production.

🎙️ Hosts Timothy Revell and Christie Taylor discuss with guests Alexandra Thompson, Leah Crane, Grace Wade and Madeleine Cuff.

📕 To read more about these stories, visit newscientist.com.

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Weekly: Could mpox be the next covid-19?; Science of beat drops; Clothes made from potatoes

The World, the Universe and Us