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In the race to reach 100, the wealthy have a head start

There are more centenarians now than ever before. But more must be done to address inequalities that prevent people from having a realistic chance of hitting this milestone.

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CGI illustration of a superconducting crystal LK99, perfect shape and colour, dark blue colour copper doped lead oxo apatite, floating over a magnet.; Shutterstock ID 2442898429; purchase_order: -; job: -; client: -; other: -

Physics

Even in our digital world, materials still matter

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a teenager holding a cell phone in his hand

Technology

We have let down teens if we ban social media but embrace AI

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Illustration of a teenage girl who is the offspring of a Neanderthal (Homo neanderthalensis) mother and Denisovan (Homo sapiens denisova) father. A bone fragment with this hybrid ancestry was found in the Denisova Cave in Russia. The bone belonged to a female who was at least 13 years old and died around 90,000 years ago. It was known from genetic analysis of other fossils that the two species had interbred, but this is the first first-generation offspring of such a pairing to be found.

Humans

Understanding the Denisovans means understanding ourselves

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A new angle on brain health could bring much-needed new treatments

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A new angle on brain health could bring much-needed new treatments

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Senior couple (aged 65-69) hiking together on a coastal path

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Why ageing doesn't have to mean years of poor health

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Mandatory Credit: Photo by Blondet Eliot/ABACA/Shutterstock (15320742p) This photo taken on May 26, 2025, during a ministerial visit to Novo Nordisk factory in Chartres, France, shows medicines (injection solution and injection pen for Ozempic, Wegovy, etc...) on the production line. Illustration - Novo Nordisk Factory - Chartres, France - 26 May 2025

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We should consider testing Ozempic on healthy people

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Team of EMS Paramedics React Quick to Provide Medical Help to Injured Patient and Get Him in Ambulance on a Stretcher. Emergency Care Assistants Arrived on the Scene of a Traffic Accident on a Street.

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Let a breakthrough in measuring body clocks ease the ills of shiftwork

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Creepy blank gravestone in graveyard at night with low spooky fog; Shutterstock ID 1890736525; purchase_order: -; job: -; client: -; other: -

Humans

Homo naledi's burial practices could change what it means to be human

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Environment

Why we urgently need to talk about geoengineering

The idea that we might attempt large-scale experiments to cool the planet is horrifying to some, but it looks increasingly likely that we will have to do so this century

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Technology

Will we ever feel comfortable with AIs taking on important tasks?

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Environment

The Australia-Tuvalu climate migration treaty is a drop in the ocean

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How might society react to babies with two genetic fathers?

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Technology

Forget superintelligence – we need to tackle 'stupid' AI first

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