The laws of physics were broken in 2023 - by sperm

New Scientist's most popular story of the year was about the discovery that sperm break Isaac Newton's third law of motion | Continue reading


@newscientist.com | 11 months ago

Snowflakes fall to the ground according to a universal pattern

After analysing the way half a million snowflakes fell during mountain storms in Utah, researchers found surprising similarities | Continue reading


@newscientist.com | 11 months ago

Elon Musk spent 2023 shaping Twitter – sorry, X – in his own image

After taking control of Twitter in 2022, Elon Musk hired a new CEO to replace himself, all while continuing to transform the social media platform into X | Continue reading


@newscientist.com | 11 months ago

‘Clinical-grade’ AI stress detector doesn't work, study suggests

An AI-powered test that claimed to be “clinical grade” listens for signs of stress in people’s voices. But it provides inconsistent results when tested on the same person twice, according to a study | Continue reading


@newscientist.com | 11 months ago

The best photos of the natural world in 2023

A fiery volcanic eruption, a flower preserved in amber and a ‘superbloom’ of wildflowers feature in New Scientist’s selection of stunning nature images from the past year | Continue reading


@newscientist.com | 11 months ago

Google wants to solve tricky physics problems with quantum computers

Quantum computers could become more useful now researchers at Google have designed an algorithm that can translate complex physical problems into the language of quantum physics | Continue reading


@newscientist.com | 11 months ago

Chimpanzees recognise photos of friends they haven't seen for decades

Bonobos and chimps in zoos remember individuals they lived with more than 20 years ago, showing a long-term social memory comparable to that of humans | Continue reading


@newscientist.com | 11 months ago

We may have found a crater on Jupiter’s moon Io for the first time

Jupiter’s moon Io is so volcanically active that any impact craters are rapidly covered up, but an amateur astronomer may have finally spotted the first one ever seen there | Continue reading


@newscientist.com | 11 months ago

Stunning JWST image of Uranus shows 13 rings and nine moons

Rings, moons, storms and a bright polar cap can be seen in this breathtaking new image of Uranus from the James Webb Space Telescope | Continue reading


@newscientist.com | 11 months ago

Inside the secretive cannabis lab that makes futuristic weed

In the final episode of our three-part podcast series, Christie Taylor peers into efforts to grow cannabis compounds in labs and explores the problems with pot’s environmental footprint | Continue reading


@newscientist.com | 11 months ago

Ozempic and Wegovy may reduce inflammation by targeting the brain

The finding suggests that weight loss and diabetes injections such Ozempic, Wegovy and Zepbound, may have wider medical benefits than first thought | Continue reading


@newscientist.com | 11 months ago

AI trained on millions of life stories can predict risk of early death

A model trained on 6 million people’s health, employment and financial records can predict death more accurately than tools used by the insurance industry | Continue reading


@newscientist.com | 11 months ago

Swimming together lets fish move faster while expending less energy

We have always suspected that fish can make enormous energy savings by swimming in groups, and now we have the proof | Continue reading


@newscientist.com | 11 months ago

Everything you need to know about the way cannabis affects your brain

From the relationship between cannabis and creativity to the effects of cannabis on teenage brains, here are 9 important questions about marijuana answered | Continue reading


@newscientist.com | 11 months ago

Moons around Uranus may suddenly develop atmospheres in the spring

When springtime comes to Uranus's moons, the increased sunlight may cause ices on the surface to turn into gases, which would create tenuous temporary atmospheres | Continue reading


@newscientist.com | 11 months ago

Life may be less chaotic than we thought, say physicists

According to a long-standing idea, life exists at the edge of chaos, meaning it is sensitive enough to respond to small environmental changes. But an analysis of processes that occur inside cells challenges the idea | Continue reading


@newscientist.com | 11 months ago

Astronomers have spotted what may be the smallest stars ever seen

The James Webb Space Telescope has found three objects about a thousand light years away that may be the least massive brown dwarf stars ever seen – though it is unclear how they formed | Continue reading


@newscientist.com | 11 months ago

Video inside centrifuge shows we don’t fully understand fluid physics

The first footage from inside a centrifuge has uncovered unexpected swirls and vortices inside shower gel and other fluids | Continue reading


@newscientist.com | 11 months ago

Material made of carbon and nitrogen is nearly as hard as diamond

Crushing carbon and nitrogen under immense pressure and heat creates the second-hardest known material after diamond | Continue reading


@newscientist.com | 11 months ago

Splitting a large AI across several devices lets you run it in private

Running your own AI locally by splitting it across multiple devices offers more privacy than using online services | Continue reading


@newscientist.com | 11 months ago

The biggest science news stories of 2023 as chosen by New Scientist

AI chatbots and an obesity treatment swept the world, temperature records tumbled and India landed on the moon in a year of astonishing science news | Continue reading


@newscientist.com | 11 months ago

Stolen planet could be hiding on the edge of our solar system

When the sun was young, it may have stolen a planet from another nearby star – meaning an exoplanet could be waiting on the outer edges of the solar system for us to discover | Continue reading


@newscientist.com | 11 months ago

Housework robot can learn to do almost any chore in 20 minutes

A robotic assistant can learn to do household jobs like opening cupboards, pulling out chairs or taking a towel off a rail after a bit of training using a stick with an iPhone on it | Continue reading


@newscientist.com | 11 months ago

DeepMind AI with built-in fact-checker makes mathematical discoveries

The AI company DeepMind claims it has developed a way to harness the creativity of chatbots to solve mathematical problems while filtering out mistakes | Continue reading


@newscientist.com | 11 months ago

Cyanide in the ocean of Saturn's moon Enceladus could be good for life

Hydrogen cyanide, ethane and traces of methanol are present in the water spewing from Enceladus's ocean – all of which could be building blocks of life | Continue reading


@newscientist.com | 11 months ago

Arctic seals have weird bones in their noses that help them stay warm

Maze-like bones in the noses of Arctic seals turn out to be an adaptation for keeping warm in chilly conditions | Continue reading


@newscientist.com | 11 months ago

Tap-dancing spider rediscovered after disappearing for 92 years

Fagilde’s trapdoor spider seemingly vanished after it was first described in 1931, but now scientists have finally spotted it again in northern Portugal | Continue reading


@newscientist.com | 11 months ago

Spinal cord stimulator dramatically reduces phantom limb pain

Pressure sensors on a prosthetic foot that send electrical pulses to the spinal cord help improve walking stability – and they also reduce phantom limb pain by an average of 70 per cent | Continue reading


@newscientist.com | 11 months ago

Ultrasound could spot battery defects that might lead to fires

Potentially dangerous battery damage that would normally be hidden from sight could be revealed quickly and at low cost using ultrasound waves | Continue reading


@newscientist.com | 11 months ago

Robotic third arm controlled by breathing is surprisingly easy to use

Extra limbs could provide a productivity boost to people working in a range of jobs, and experiments show that people are capable of controlling them intuitively | Continue reading


@newscientist.com | 11 months ago

Alastair Reynolds: An exclusive short story for New Scientist

Lottie and the River is a moving vision of the future from astrophysicist turned award-winning science fiction author Alastair Reynolds | Continue reading


@newscientist.com | 11 months ago

'Abdominal perimeters' increase over holiday season, find researchers

Feedback ponders the shocking new science that reveals "the possibility of weight gain among young adults during vacation periods" | Continue reading


@newscientist.com | 11 months ago

A tale of two Silicon Valley Sams – Bankman-Fried and Altman

This was the year when the worlds of cryptocurrency and AI were both hit by drama, says Annalee Newitz | Continue reading


@newscientist.com | 11 months ago

Two books to write and the universe to decipher – 2024’s gonna be busy

Chanda Prescod-Weinstein looks back over the past 12 months, and reveals some more details about the books she's currently working on | Continue reading


@newscientist.com | 11 months ago

How 2023 saw the UK going backwards on climate issues

The past 12 months featured constant alarming news on the environment coupled to a political class still not heeding the warnings from scientists. But there have been highs amid the lows, says Graham Lawton | Continue reading


@newscientist.com | 11 months ago

First ever photo of a snow leopard under a starry sky is spectacular

Photographer Morup Namgail set out to capture an image no-one had ever taken before, in the hope of drawing attention to the plight of the landscape and wildlife in his remote home region in Ladakh, India | Continue reading


@newscientist.com | 11 months ago

Can science explain why some drinks and foods are a perfect match?

Some things just go together, like red wine and cheese, lager and a spicy curry – and Christmas and mulled wine, says Sam Wong | Continue reading


@newscientist.com | 11 months ago

Artificial intelligence and climate change were 2023's twin challenges

The decisions we made this year about AI and climate change could determine the fate of billions of people. In 2024, almost half the world’s population could be voting with these issues in mind | Continue reading


@newscientist.com | 11 months ago

2023 was the year that artificial intelligence went mainstream

From ChatGPT to Gemini, this year was dominated by large language models and other AIs becoming everyday tools used by millions of people | Continue reading


@newscientist.com | 11 months ago

Wegovy and Ozempic made 2023 a revolutionary year for weight loss

The success of semaglutide mimic drugs in helping people lose weight saw demand rocket in 2023, with manufacturers struggling to keep up - something that almost never happens | Continue reading


@newscientist.com | 11 months ago

Covid-19 'emergency' ended in 2023 but the virus still lingers

On 5 May, the World Health Organization declared that the coronavirus was no longer classified as a "public health emergency of international concern", its highest alert level, but the virus is still evolving | Continue reading


@newscientist.com | 11 months ago

LK-99 superconductor mania swept the internet for a few weeks in 2023

The promise of a material that could revolutionise the way we use electricity captured imaginations on social media, which also helped researchers quickly determine that LK-99 wasn't what it seemed | Continue reading


@newscientist.com | 11 months ago

Mathematicians discovered the ultimate bathroom tile in 2023

After decades of searching, mathematicians discovered a single shape that can cover a surface without forming repeating patterns, launching a small industry of "aperiodic monotile" merchandise | Continue reading


@newscientist.com | 11 months ago

Cancer in young people is rising and 2023 saw a plan to figure out why

Most people with cancer are over 50, but the past few decades have seen a rise in diagnoses for younger people. This year, the US National Cancer Institute and Cancer Research UK made finding out why one of their top priorities | Continue reading


@newscientist.com | 11 months ago

Six of the most amazing space pictures from 2023

This year saw an extraordinary number of awe-inspiring images of objects in space, thanks in part to the James Webb Space Telescope. Here are the ones that dazzled us most and why they are important | Continue reading


@newscientist.com | 11 months ago

The spy balloon saga of 2023 inflated US-China political tensions

One of the year’s most unexpected controversies exploded after a US fighter jet shot down a Chinese balloon that drifted across North America – it also sparked fears over other unidentified flying objects | Continue reading


@newscientist.com | 11 months ago

COP28 deal has loopholes that could weaken its impact on emissions

An agreement reached at the COP28 climate summit mentions transitioning away from fossil fuels, but contains weak points that could limit our ability to keep the world from warming beyond 1.5°C | Continue reading


@newscientist.com | 11 months ago

Brain cells activated by stress may also give you a bad night's sleep

In mice, neurons activated by stress cause the animals to wake up far more often during sleep – if the process is similar in humans, it could lead to new ways of improving sleep quality | Continue reading


@newscientist.com | 11 months ago