Nature Podcast12 Maalis 2025

Sapphire anvils squeeze metals atomically-thin

00:46 2D metals made using sapphire press

Taking inspiration from industrial forging, researchers have demonstrated a way to squeeze molten metals into atomically-thin layers, creating relatively large flakes of 2D metals. Using a hydraulic press containing two sapphire anvils, a team was able to create sub-nanometer thick sheets of different metals — these sheets had diameters exceeding 0.1 mm, orders of magnitude larger than other methods have achieved. 2D metals have been theorized to possess several useful properties not seen in their larger, 3D counterparts, but have been difficult to make at scale, something this method may help overcome.

Research Article: Zhao et al.

News and Views: Metals squeezed to thickness of just two atoms

09:36 Research Highlights

The discovery of ancient puppets on remains of a large pyramid offers a glimpse into rituals in Mesoamerica, and how the presence of a certain pattern of sleep brainwaves might help predict which people will recover from an unresponsive state.

Research Highlight: Ancient puppets that smile or scowl hint at shared rituals

Research Highlight: Who’s likely to wake up from a coma? Brainwaves provide a clue

12:17 The virology lessons learnt from the COVID pandemic

SARS-CoV-2, the virus responsible for the COVID-19 pandemic, has become one of the most closely examined viruses on the planet. In the five years since the pandemic, over 150,000 articles have been written about it, and 17 million genome sequences have been generated. We discuss the lessons virologists have learnt from this intense study of a single organism, and how these might help the world prepare for future pandemics.

News Feature: Four ways COVID changed virology: lessons from the most sequenced virus of all time

23:36 Briefing Chat

How an AI alert-system could help researchers train their telescopes on a neutron star collision, and how expiration dates on plastic food-waste helped biologists age birds’ nests.

Nature: How AI could let us watch epic star collisions in real time

Science: Plastic waste in bird nests can act like a tiny time capsule

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Briefing Chat: How 1,000 pairs of buried underpants helped measure soil health

In this episode:00:21 Our picks of this year’s Ig Nobel prizesNature: Buried underpants and a new definition of kissing win 2026 Ig Nobel prizes07:47 Massive xenon experiment detects tantalizing hint ...

4 Syys 12min

Audio long read: Could mending damaged DNA prolong life?

Scientists are amassing evidence that unrepaired or poorly repaired DNA damage underlies many of the hallmarks of ageing. This has led to research into whether boosting DNA repair can keep people heal...

2 Syys 18min

Briefing Chat: How Dolly Parton left her mark on science

In this episode:00:18 Researchers celebrate Dolly Parton's contributions to scienceNature: Dolly Parton dies aged 80 — researchers celebrate her contributions to science08:40 Phase III trial of melano...

28 Elo 14min

Highest-ever ocean temperatures recorded as El Niño intensifies

Why extreme temperatures are expected to weaken ocean carbon sinks — plus, how mitochondrial injections could treat vision loss.00:46 The world’s oceans reach a record temperatureNature: Ocean tempera...

26 Elo 19min

Briefing Chat: New narcolepsy drug could unlock host of novel brain therapies

Nature staff discuss how an FDA-approved drug for narcolepsy could have promise beyond the condition, and the longest-lived human brain organoids yet.00:28 The promise of a new narcolepsy drugNature: ...

21 Elo 12min

A black hole's spin could finally be measured by a high-speed star

Star orbiting close to Sagittarius A* could reveal its spin — plus, how exoskeletons might change the way humans move.00:46 The star that could reveal a black hole’s spinResearch article: Dayem et al....

19 Elo 29min

Briefing Chat: Anthropic rolls out new AI watermark — will it make a difference?

In this episode:00:29 What does Anthropic’s new watermark mean for research?Nature: Can Anthropic’s invisible watermarks curb ‘AI slop’? Researchers remain sceptical10:57 Ticklishness is a distinct, s...

14 Elo 16min

The probiotic bacteria engineered to treat diabetes

Genetically modified bacteria lower high blood-sugar in animal trials — plus, how to safely watch a solar eclipse.00:45 A living diabetes treatmentResearch article: Guan et al.08:03 Research Highlight...

12 Elo 19min