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Iodised salt has become uncool but many of us need to eat more iodine

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Iodised salt has become uncool but many of us need to eat more iodine

Iodine deficiency is on the rise among people in the UK, the US and Australia. A century ago this led to drops in IQ, height and thyroid health – and the modern fancy salt fad may be leading to a resu...

New Scientist

We're solving the fundamental mystery of how reality is glued together

We're solving the fundamental mystery of how reality is glued together

For decades, scientists have tried and failed to explain how the force that binds the heart of atoms together really works. But new mathematical tools are finally prising the problem open...

New Scientist

Novel approach to clearing brain waste shows promise for Alzheimer's

Novel approach to clearing brain waste shows promise for Alzheimer's

Boosting the brain's waste-disposal system is increasingly showing promise for Alzheimer's disease, with a study now suggesting that a novel approach eases brain deficits and symptoms associated with...

New Scientist

We may have seen a 'dirty fireball' star explosion for the first time

We may have seen a 'dirty fireball' star explosion for the first time

An incredibly powerful flash of X-rays spotted by the Einstein Probe telescope appears to be a kind of explosion first theorised more than 30 years ago...

New Scientist

How worried should you be about an AI apocalypse?

How worried should you be about an AI apocalypse?

Fears that artificial intelligence could rise up to wipe out humanity are understandable given our steady diet of sci-fi stories depicting just that, but what is the real risk? Matthew Sparkes looks a...

New Scientist

Multipurpose anti-viral pill may treat colds, norovirus, flu and covid

Multipurpose anti-viral pill may treat colds, norovirus, flu and covid

AI predicted that a forgotten breast cancer drug could be repurposed to treat many respiratory and gastrointestinal viruses, and subsequent animal tests suggests it may be right...

New Scientist

How a DIY worm farm can compost food scraps, paper or a whole kangaroo

How a DIY worm farm can compost food scraps, paper or a whole kangaroo

For those who want a little help composting, take a cue from James Woodford’s experience raising worms – both the small colony of wrigglers he keeps in a sensible bin in his city garden and the dumpst...

New Scientist

Surprise fossil discoveries push back the evolution of complex animals

Surprise fossil discoveries push back the evolution of complex animals

A fossil bed in China containing animals up to 554 million years old suggests that we may have to reconsider the idea that life suddenly diversified during the Cambrian explosion...

New Scientist

Bumblebees surprise scientists by showing a sense of rhythm

Bumblebees surprise scientists by showing a sense of rhythm

Recognising rhythmic patterns was thought to require a big brain, but a series of experiments has shown that buff-tailed bumblebees have this ability, too...

New Scientist

Unprecedented insight into memory champion's brain reveals his tricks

Unprecedented insight into memory champion's brain reveals his tricks

Nelson Dellis credits techniques like the method of loci for his extraordinary memory. Now, brain scans have revealed the parts of his brain that this approach taps into, and how we can use it to impr...

New Scientist

We may have just glimpsed the universe's first stars

We may have just glimpsed the universe's first stars

A galaxy spotted by the James Webb Space Telescope, known as Hebe, that existed just 400 million years after the big bang appears to contain extremely pure and young stars...

New Scientist

I have been bitten by more than 200 snakes – on purpose

I have been bitten by more than 200 snakes – on purpose

If you are unlucky enough to have been bitten by a snake, you are unlikely to want to repeat the experience. Not so for Tim Friede, who intentionally exposes himself to deadly bites in the hope of dev...

New Scientist

Historic Artemis II launch sends astronauts bound for the moon

Historic Artemis II launch sends astronauts bound for the moon

Four astronauts have begun a 10-day journey around the moon and back again, the first crewed flight to the moon since 1972...

New Scientist

Tobacco plant altered to produce five psychedelic drugs

Tobacco plant altered to produce five psychedelic drugs

Genetically engineering tobacco plants could enable a more sustainable production method for psychedelic drugs, which are increasingly in demand for research and medical uses...

New Scientist

Stark photos show quest for profit cutting swathes through the Amazon

Stark photos show quest for profit cutting swathes through the Amazon

Photographer Lalo de Almeida has been documenting the industrialisation taking place in the Amazon rainforest after the Brazilian government relaxed environmental controls...

New Scientist

The Iran war is exposing the huge risks in our food system

The Iran war is exposing the huge risks in our food system

No matter where you get your food from, a good chunk of your diet is ultimately reliant on fossil fuels. We already need to change this to tackle climate change, but the Iran war and resulting oil sho...

New Scientist

What to read this week: Lixing Sun's ambitious On the Origin of Sex

What to read this week: Lixing Sun's ambitious On the Origin of Sex

Ducks with corkscrew penises, fish changing sex – what do we really know about sex and reproduction on Earth? Less than we think, reveals a mind-boggling new book. Elle Hunt explores...

New Scientist

Michael Pollan: 'Consciousness is really under siege'

Michael Pollan: 'Consciousness is really under siege'

A psychedelic experience set author Michael Pollan on a quest to understand consciousness in his new book A World Appears. He tells Olivia Goldhill what he learned – and how it changed him...

New Scientist

New Scientist recommends the engaging Native Nations by Kathleen DuVal

The books, TV, games and more that New Scientist staff have enjoyed this week...

New Scientist

How many academics does it take to tell a joke? Time for a study...

How many academics does it take to tell a joke? Time for a study...

Feedback is delighted to discover a study analysing the use of humour at scientific conferences – but disappointed to find a distinct lack of it...

New Scientist

The first quantum computer to break encryption is now shockingly close

The first quantum computer to break encryption is now shockingly close

Traditional encryption methods have long been vulnerable to quantum computers, but two new analyses suggest a capable enough machine may be built much sooner than previously thought...

New Scientist

Oceans are darkening all over the planet – what’s going on?

Oceans are darkening all over the planet – what’s going on?

In a shift that is reshaping entire ecosystems, the open oceans are letting less light in. We don't fully understand the consequences yet, but there is still hope, says oceanographer Tim Smyth...

New Scientist

Male octopuses have a favourite arm that they mostly use for sex

Male octopuses have a favourite arm that they mostly use for sex

The third right arm of male octopuses has a specialised role in mating, and the creatures take extra care to avoid damaging it or losing it to a predator...

New Scientist

The best new popular science books of April 2026

The best new popular science books of April 2026

April has a lot to offer when it comes to popular science reading, promising to help us do everything from future-proof our brains courtesy of Hannah Critchlow, to get to grips with really big numbers...

New Scientist

Plug-in solar is coming – how dangerous is it and is it worth it?

Plug-in solar is coming – how dangerous is it and is it worth it?

Plug-in solar panels are a cheaper, simpler alternative to professionally installed panels. But can they really reduce energy bills and are they safe? Matthew Sparkes investigates...

New Scientist

A once-fantastical collider could answer physics’ biggest mysteries

A once-fantastical collider could answer physics’ biggest mysteries

The muon collider was once dismissed as impossible, but is now gaining steam as the successor to the Large Hadron Collider. If built, it could offer a new window to reality...

New Scientist

Attacks from our immune system are a cause of long covid

Attacks from our immune system are a cause of long covid

The immune system going rogue and attacking healthy tissue seems to behind some cases of long covid, a discovery that could open doors towards treatments...

New Scientist

Astronauts are ready to return to the moon on Artemis II mission

Astronauts are ready to return to the moon on Artemis II mission

NASA’s Artemis II mission will be the first time humans have been around the moon in half a century, and its next launch window opens on 1 April...

New Scientist

Food shock is inevitable due to the Iran war – and it could get bad

Food shock is inevitable due to the Iran war – and it could get bad

Even if the conflict in the Middle East ends today, higher fuel, fertiliser and pesticide prices will lead to a food shock in the coming months. There is no easy way out, but accelerating the net-zero...

New Scientist

The profound effect the heart-brain connection has on your health

The profound effect the heart-brain connection has on your health

Cognitive decline, mental health and heart disease are all shaped by the deep links between heart and brain – with major implications for diagnoses and treatment...

New Scientist

The Turin Shroud bears DNA from many people, plants and animals

The Turin Shroud bears DNA from many people, plants and animals

Researchers have identified genetic material from a vast range of organisms contaminating the shroud, said to have wrapped Jesus's body, further complicating the question of the cloth's true origin...

New Scientist

The weird physics of plant-based milks is only just coming to light

The weird physics of plant-based milks is only just coming to light

Experiments on different kinds of milk have revealed that many plant-based milks are non-Newtonian fluids...

New Scientist

Why the lack of water on Mars is so mysterious

Why the lack of water on Mars is so mysterious

An accounting of all the water that should have been and gone on Mars’s surface has come up with a discrepancy that shows just how little we understand the Red Planet’s hydrological history...

New Scientist

AI data centres can warm surrounding areas by up to 9.1°C

AI data centres can warm surrounding areas by up to 9.1°C

Hundreds of millions of people live close enough to data centres used to power AI to feel warmer average temperatures in their local area...

New Scientist

How working out like an astronaut can reduce back pain and slow ageing

How working out like an astronaut can reduce back pain and slow ageing

The same principles that help astronauts stay strong in microgravity can help us all resist the slow collapse of ageing – and it’s not all about hitting the gym more...

New Scientist

Want to live forever? There are major questions to confront, first

Want to live forever? There are major questions to confront, first

A start-up has worked out how to preserve the brain after death – paving the way for immortality in a distant future. But beginning to reckon with this reality yields serious practical and philosophic...

New Scientist

The shocking fossils that show T. rex wasn't the king of the dinosaurs

The shocking fossils that show T. rex wasn't the king of the dinosaurs

We've always thought that Tyrannosaurus rex was an unchallenged apex predator during the dying days of the dinosaurs. But a fresh look at controversial fossils has prompted palaeontology’s biggest-eve...

New Scientist

Mysterious comet disintegration caught by telescope after lucky break

Mysterious comet disintegration caught by telescope after lucky break

Catching a comet in the process of falling apart is difficult, but a coincidence let astronomers see one in more detail than ever before using the Hubble Space Telescope – and revealed a mystery...

New Scientist

'Zombie' cells created by transplanting genomes into dead bacteria

'Zombie' cells created by transplanting genomes into dead bacteria

Researchers have created the first living synthetic bacterium made from non-living parts by killing a bacterial cell and then transplanting the genome of another species into it, blurring the boundary...

New Scientist

Security credentials inadvertently leaked on thousands of websites

Security credentials inadvertently leaked on thousands of websites

Researchers identified nearly 10,000 websites where API keys could be found, exposing details that could let attackers access sensitive information...

New Scientist

How our ancestors used mushrooms to change the course of human history

How our ancestors used mushrooms to change the course of human history

Mushrooms have been used by ancient humans for millennia, but archaeologists have only just uncovered their pivotal role in shaping civilisation...

New Scientist

New Scientist

32 noticias recientes

Iodised salt has become uncool but many of us need to eat more iodine

We're solving the fundamental mystery of how reality is glued together

Novel approach to clearing brain waste shows promise for Alzheimer's

We may have seen a 'dirty fireball' star explosion for the first time

How worried should you be about an AI apocalypse?

Multipurpose anti-viral pill may treat colds, norovirus, flu and covid

How a DIY worm farm can compost food scraps, paper or a whole kangaroo

Surprise fossil discoveries push back the evolution of complex animals

Bumblebees surprise scientists by showing a sense of rhythm

Unprecedented insight into memory champion's brain reveals his tricks

We may have just glimpsed the universe's first stars

I have been bitten by more than 200 snakes – on purpose

Historic Artemis II launch sends astronauts bound for the moon

Tobacco plant altered to produce five psychedelic drugs

Stark photos show quest for profit cutting swathes through the Amazon

The Iran war is exposing the huge risks in our food system

What to read this week: Lixing Sun's ambitious On the Origin of Sex

Michael Pollan: 'Consciousness is really under siege'

New Scientist recommends the engaging Native Nations by Kathleen DuVal

How many academics does it take to tell a joke? Time for a study...

The first quantum computer to break encryption is now shockingly close

Oceans are darkening all over the planet – what’s going on?

Male octopuses have a favourite arm that they mostly use for sex

The best new popular science books of April 2026

Plug-in solar is coming – how dangerous is it and is it worth it?

A once-fantastical collider could answer physics’ biggest mysteries

Attacks from our immune system are a cause of long covid

Astronauts are ready to return to the moon on Artemis II mission

Food shock is inevitable due to the Iran war – and it could get bad

The profound effect the heart-brain connection has on your health

The Turin Shroud bears DNA from many people, plants and animals

The weird physics of plant-based milks is only just coming to light

Why the lack of water on Mars is so mysterious

AI data centres can warm surrounding areas by up to 9.1°C

How working out like an astronaut can reduce back pain and slow ageing

Want to live forever? There are major questions to confront, first

The shocking fossils that show T. rex wasn't the king of the dinosaurs

Mysterious comet disintegration caught by telescope after lucky break

'Zombie' cells created by transplanting genomes into dead bacteria

Security credentials inadvertently leaked on thousands of websites

How our ancestors used mushrooms to change the course of human history

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