Patients are requesting that blood transfusions come from people who they know have not been vaccinated against covid-19, which can cause dangerous delays

Monkeys with around 300 electrodes implanted in their brain were able to steer avatars around different virtual environments

The Dark Energy Spectroscopic Instrument (DESI) has finished the most detailed survey of the universe to date, and the resulting map will help researchers understand an apparent weakening of dark energy

A detailed analysis of the best-preserved Neanderthal infant skeleton ever found suggests that our ancient relatives grew much faster as young children

A planet-warming El Niño climate phase is now developing, and some models predict it could turn out to be the strongest on record

The protein craze is in full swing and beef consumption is on the rise, particularly in the US, where health agencies are promoting red meat as part of an optimum diet. So, how much beef should we really be eating, and how does it impact our well-being?

The gap between genetics and archaeology leaves us with an unclear picture of where the Neanderthals originated. Columnist Michael Marshall details a surprising new hypothesis that suggests they may have come from us

How do you portray momentum in space accurately? Columnist Chanda Prescod-Weinstein takes a look at the origins of our understanding of motion, which runs from Isaac Newton back to the Zhou dynasty a millennia ago

L-ergothioneine, an antioxidant found in certain mushrooms, is thought to neutralise damaging molecules in uterine cells that may contribute to period pain

Antibodies mistakenly attacking the brain are linked with conditions including schizophrenia, dementia and OCD, prompting a revolution in how we think about mental health conditions

The day when a quantum computer manages to break common encryption, or Q-Day, is fast approaching, and the world is not close to being ready

A study of more than 10 million siblings suggests that firstborns are more likely to be autistic and have allergies, while conditions like migraine and shingles tend to affect their younger sibling

Removing CO2 from the atmosphere by capturing the carbon from burning biomass is supposed to save the planet, but it looks like the flagship project will never happen

Some gut bacteria recycle discarded sex hormones, like oestrogens, back into the body. The level of these bacteria seems to be higher in industrialised societies, which could have big implications for our health

A small comet has been spotted slowing down and then speeding up again – but in the opposite direction, which we have never seen before

If the Atlantic Meridional Overturning Circulation shut down, the knock-on effects could release hundreds of billions of tonnes of CO2, raising global temperatures even further

Ever since the Chernobyl nuclear reactor exploded in 1986, scientists have needed to monitor radioactive conditions inside. That job currently falls to Anatoly Doroshenko, who explains the dangers and importance of his work to New Scientist

When Russia invaded Ukraine in 2022, Chernobyl lay on the path to the capital Kyiv. When the plant was occupied by Russian troops, meteorologist Lyudmila Dyblenko fearlessly continued taking vital measurements to monitor the nuclear exclusion zone

New Scientist reporter Matthew Sparkes secured unrivalled access to Chernobyl's most crucial scientific sites, where researchers are fighting to protect the area and ensure it remains safe amid the constant threat of attack from Russia

The astronauts of the Artemis II mission around the moon have made it home safely to Earth, marking the end of a triumphant mission and the beginning of a longer road to stay on the moon

Some cats will suddenly refuse to touch brands of cat food that they have eaten for years. Changing the way the food smells might solve the problem

A handful of plankton fossils buried in a small chunk of rock show that the oceans were teeming with life before the Late Ordovician mass extinction, the second most severe on record

Working in secret for more than two years, a group of mathematicians has set out to resolve one of the longest and most bitter battles in modern mathematics

Physicists have shown how time can effectively be reversed for some quantum systems, which would allow for new ways to harvest energy

The incompleteness theorem is accepted as part of the mathematical canon today, but columnist Jacob Aron says it was a bombshell when Kurt Gödel first introduced it. Gödel’s seminal work directly contradicted one of the great minds of mathematics and limited the field forever

Two extremely precise experiments agree with a previously shocking measurement of just how big the proton is, which may help future searches for new particles

Researchers who observed a murderous conflict unfolding in a once-unified group of wild chimpanzees say there are parallels with civil wars in human societies

A woman with three different autoimmune conditions had all of them treated simultaneously by genetically modifying her immune cells to kill off the rogue ones causing problems

Elizabeth Banks stars as an author shrunk by her scientist husband Matthew Macfadyen in this major new series – but it fails to live up to its promise, finds Josh Bell

A drug known only as compound X helped to remove the problematic proteins associated with Parkinson's disease from the brains of mice, and improved their balance and mobility

The International Union for Conservation of Nature has updated the Red List status for three of Antarctica’s most famous species after a dire assessment of their prospects under climate change

Measurements by buoys at four latitudes in the western Atlantic provide the strongest evidence yet that the Atlantic Meridional Overturning Circulation is weakening

The maths problems that secure your online bank transactions and emails may soon be undermined by quantum technology. It’s imperative we act now, before it’s too late

Luminous by Silvia Park and Ode to the Half-Broken by Suzanne Palmer are both thoughtful and well-written science fiction novels, featuring robots in richly realised worlds. But there the similarities end, says Emily H. Wilson

A fresh and important book reveals the messy reality of our ever-mutating cells – and why the quest to defeat ageing is futile, says Michael Le Page

Feedback is delighted by the discovery of a very specific scientific sculpture park in China – and wonders if readers can top it

A method that relies on hitting materials with neutrons can measure how much quantum entanglement hides within them, which could enable new kinds of quantum technology

A decline in ancient megafauna in the Middle East coincided with a shift towards smaller, lighter toolkits in the archaeological record – though scientists are still in debate about why

John Pendry is known for creating an invisibility cloak. Twenty years on, he has used the same principles to fashion an even more powerful kind of metamaterial that can teach us about the wild frontiers of physics

By tracing the origins of an unusual, short-lived particle, researchers have gathered some of the strongest evidence yet that mass can emerge from fluctuations in the vacuum

James Watson’s The Double Helix is probably one of the greatest science books of all time – but Michael Le Page finds he can’t recommend that anyone actually reads it

Two of the forefathers of quantum theory, Albert Einstein and Niels Bohr, had a famous argument over whether light is a wave or a particle. Columnist Karmela Padavic-Callaghan finds that the matter has been settled once and for all

The crew of NASA’s Artemis II mission have captured extraordinary views of the moon, including close-ups of the far side and a breathtaking solar eclipse

Training programmes for people with aphantasia – the inability to create mental images – are challenging neuroscientists' understanding of how we create thoughts

Amplifying the brain's waste disposal system seems to clear a substance that drives migraines, relieving some of the pain associated with the condition

Anaerobic digesters converting manure to biogas reduce methane emissions from livestock, but incentives for them have encouraged factory farms to get bigger

Four NASA astronauts have now travelled further from Earth than any humans before them, as they flew around the moon during the Artemis II mission on 6 April

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 resurgence, says columnist Alice Klein

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

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 the condition

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

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 at what the experts say

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

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 dumpster-sized worm farm he has that can turn even animal carcasses into nutrient-dense soil

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

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

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 improve our own recall

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

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 developing a treatment for the 5 million people who are bitten each year

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

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

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

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

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

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

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

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, thanks to Richard Elwes

A virus seems to have jumped from marine animals into people for the first time ever, and it is causing serious vision problems

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

A study based on tree rings claimed that droughts played a role in events that led to the Roman withdrawal from Britain, but other researchers say that isn't backed up by historical evidence

A collection of stories set in George R. R. Martin’s Wild Cards universe and a novel from The Expanse author James S. A. Corey are among the science-fiction books we’re looking forward to this month

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

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

Improved hardware can send ten times as much data through existing fibre-optic cables, potentially providing a way to massively upgrade the internet's infrastructure without the cost and inconvenience of laying any new cables

The science suggests that olive oil can help us fight cognitive decline and even Alzheimer’s. Columnist Helen Thomson finds that only works if we choose the right kind

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 transition will help prevent future shocks

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

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

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

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

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

During his second-ever spacewalk, European Space Agency astronaut Luca Parmitano felt water creeping across his face – and knew he could be moments from drowning inside his helmet

After the passing of physicist Anthony Leggett, columnist Karmela Padavic-Callaghan remembers their personal connection with this giant of quantum physics, and explores the legacy of his enduring recipe for testing the edges of the quantum world

A new spacecraft concept called NOVA could keep asteroids from hitting our planet by using a huge magnet to gradually pull them apart while shifting their trajectories

Kim Stanley Robinson opens his classic science fiction novel Red Mars in 2026. As the New Scientist Book Club embarks on reading it in April, he looks back on its origins – and how the idea of moving to Mars holds up today

As the New Scientist Book Club reads Kim Stanley Robinson’s science-fiction novel in April, George Bass digs into why this 1992 book still feels so relevant today

This is the opening of Kim Stanley Robinson's Red Mars, the New Scientist Book Club read for April, as humans come to the planet to settle it

A long-overlooked area of the penis has been found to have the highest concentration of nerve endings and sensory structures in the organ, suggesting that it is the “male G-spot”

A female sperm whale has been filmed giving birth for the first time, supported by 10 adult females who lifted the calf out of the water and protected it from predators

Pieces of jawbone and teeth found in Egypt have been identified as a new early ape species named Masripithecus moghraensis, which lived about 17 million years ago

A computer language designed to robustly verify mathematical theorems and expose logical flaws has been turned towards a physics paper – and spotted an error. The discovery raises questions about how many other papers may harbour similar issues

In the cloud forest of Costa Rica, many canopy-dwelling animals do their business in strangler fig trees, perhaps as a way of leaving messages

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

Shortlisted for the Sony World Photography Awards, this image by photographer Sebastian Di Domenico was taken in Colombia

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

Fifty years ago, Richard Dawkins shared an irresistible scientific metaphor with the world that modernised and democratised evolutionary biology. Half a century on, The Selfish Gene remains powerfully insightful, finds Rowan Hooper

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-ever U-turn

Do we all see the same red? Or feel joy and sadness alike? Mapping how our inner experiences relate to one another could finally reveal how physical processes in the brain give rise to consciousness