Nature staff discuss the young but deadly dinosaur kings, the prowess of ancient Egyptian princesses, and how London is becoming the world’s AI safety capital.

Nature: A global capital for AI safety is emerging — and it’s not in Silicon Valley

Scientific American: Ancient Egyptian princesses were ‘powerful’ weapon users, new analysis suggests

Discover magazine: Fossil Evidence Indicates Baby T. rex Were Tiny, but Deadly

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Research article: Hoy et al.

Nature: Moving floors keep buildings from swaying with the wind

Nature: Wearable sensors on the face are invisible to the eye

Research article: Curd et al.

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In this episode:

Nature: First ‘true sugar’ molecule found in space — offering hints to life’s origins

Nature: Mathematics formula found on Maya wall rivals insights of ancient masters

Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday.

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Research article: Khallaf et al.

Nature: Pair of ‘super-puff’ planets are lighter than candyfloss

Nature: Alpine crossing took a heavy toll on Hannibal’s elephants and troops

Research article: Collins et al.

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In this episode:

Metro: Dolly the sheep at 30: The clone that changed science (and celebrity petdom)

Nature: From cloning to gene-editing: the enduring legacy of Dolly the sheep

Nature: Ocean floor witnessed splitting apart for the first time — releasing lava

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In this episode:

Research article: Danagoulian

Nature: Volcanic magma sculpts eerie domes on the sea floor

Nature: Clues to the sloth’s sloth found in its genome

Research article: Cámara-Leret et al.

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In this episode, we speak with science journalist Rowan Hooper, whose book Togetherness: Symbiosis and the Hidden Story of Life's Greatest Collaborations takes a deep-dive into the world of co-operation between organisms.

In the book, he argues that collaboration in nature has often been overlooked in favour of competition, and that organisms working together have played a vital role in making the world the way it is.

Togetherness: Symbiosis and the Hidden Story of Life's Greatest Collaborations Rowan Hooper Fern Press (2026)

Music supplied by SPD/Triple Scoop Music/Getty Images

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Peptides — short chains of amino acids — have become huge online. The popularity of these molecules has skyrocketed and they are now the latest cure-all trend on social media.

But what does the science say about their effectiveness? Animal research suggests that that some of these experimental peptides hold promise, but evidence they work in people is lacking.

This is an audio version of our Feature: Is the peptide craze backed by science? The promise behind the hype

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