Why a blurred background makes objects in photos look tiny

Photographs with a shallow depth of field trick the brain into assuming that the subject is small and close-up, and experiments show how effective this illusion can be | Continue reading


@newscientist.com | 1 year ago

Ancient mass extinction may have driven millipedes to eat meat

The mass extinction at the end of the Permian Period wiped out many plants. Fossils of millipedes from that era have been found alongside ancient mammal carcasses, suggesting that mass plant die-off may have driven them to be carnivorous | Continue reading


@newscientist.com | 1 year ago

CRISPR-edited cells could help people survive chronic heart failure

Injecting gene-edited heart cells into rats with damaged hearts kept more of them alive and had them exercising for longer – and tests in humans could start in 2025 | Continue reading


@newscientist.com | 1 year ago

The hunt for the South Island kōkako, New Zealand’s long-lost bird

The last accepted sighting of the South Island kōkako was in 1967, and it was declared extinct in 2007 – but a potential sighting that same year led to its reclassification, and a charitable trust set up to find it has been searching for the bird ever since | Continue reading


@newscientist.com | 1 year ago

Racing drivers blink at the same points when going round a track

Synchronised blinking may reflect a certain cognitive state that professional racers have when controlling a fast-moving car | Continue reading


@newscientist.com | 1 year ago

Stem cell therapy reduces symptoms of progressive MS for some people

After experimental stem cell therapy, people who required assistance walking due to symptoms of progressive multiple sclerosis saw their mobility improve | Continue reading


@newscientist.com | 1 year ago

Sound vibrations can encode and process data like quantum computers do

A simple mechanical system built from aluminium rods uses vibrations to encode information, mimicking quantum computing in a non-quantum system | Continue reading


@newscientist.com | 1 year ago

Insects are thriving in England's rivers after fall in metal pollution

An analysis of 30 years of monitoring data shows an upward trend in the population of insects and other invertebrates in English rivers, which may be linked to lower levels of zinc and copper | Continue reading


@newscientist.com | 1 year ago

Why our brain uses up more energy than that of any other animal

Our brain's high energy demands, particularly in certain key areas, may have enabled us to evolve uniquely advanced cognitive traits | Continue reading


@newscientist.com | 1 year ago

Wolves are scaring smaller predators into deadly conflict with humans

Animals fleeing predators can take advantage of the "human shield effect" where they seek refuge in human-dominated spaces – but for bobcats and coyotes in Washington state, conflict with humans is three times as likely to lead to death | Continue reading


@newscientist.com | 1 year ago

Stretchy electronic skin responds to touch and pressure like real skin

In tests with a rat, the e-skin patch conveyed touch and pressure signals to the brain, prompting the animal to move its muscles | Continue reading


@newscientist.com | 1 year ago

Humans were kissing at least 4500 years ago, reveal ancient texts

Many sources claim sexual kissing spread worldwide from South Asia 3500 years ago, but there is evidence it was practised in ancient Mesopotamia and Egypt much earlier than that | Continue reading


@newscientist.com | 1 year ago

El Niño climate events cost tropical countries trillions of dollars

Long periods of extreme weather caused by El Niño events have a severe and long-lasting economic impact for the hardest-hit nations, an analysis has found | Continue reading


@newscientist.com | 1 year ago

This house is made from recycled diapers mixed into concrete

Used diapers could be a source of building materials, as they can be recycled to replace the sand normally used in concrete | Continue reading


@newscientist.com | 1 year ago

Octopuses may have nightmares about predators attacking them

An octopus in an aquarium has been filmed going from deep sleep to thrashing and releasing ink - an anti-predator response that suggests it was dreaming about being attacked | Continue reading


@newscientist.com | 1 year ago

Stone Age blueprints are the oldest architectural plans ever found

Plans etched into stone tablets depict vast hunting traps called desert kites built 9000 years ago, showing a mastery of geometry long before the invention of writing | Continue reading


@newscientist.com | 1 year ago

US desert grassland collapse is linked to changes in the Pacific Ocean

Researchers have discovered a long-standing connection between temperatures in the Pacific Ocean and the health of arid grasslands in the US Southwest – but climate change seems to have broken it | Continue reading


@newscientist.com | 1 year ago

When did animals like foxes first start living alongside people?

We used to think "synanthropic" animals like raccoons, foxes and ravens started living alongside people around the time of the agricultural revolution, about 10,000 years ago. But it could have been much earlier, says Michael Marshall | Continue reading


@newscientist.com | 1 year ago

We can treat age-related illness without calling ageing a disease

Declaring ageing a disease could hold back efforts to find genuine treatments that tackle age-related illnesses like osteoporosis and dementia | Continue reading


@newscientist.com | 1 year ago

The Gilder Center review: How to draw in more natural history fans

An enticingly designed addition to the American Museum of Natural History in New York aims to connect all forms of life, from leafcutter ants to humans. Its engaging exhibits look sure to win more fans for the natural world | Continue reading


@newscientist.com | 1 year ago

New book collates the pioneering photographs of Anna Atkins

The 19th-century British botanist used an early photographic technique to document plants and algae, and in 1843 released the first ever book illustrated with photographs | Continue reading


@newscientist.com | 1 year ago

A Crack in the Mountain review: Stunning cave shows tourism's paradox

A poignant documentary tells the paradoxical story of a vast, remote cave in Vietnam that looks likely to turn into a major tourist attraction | Continue reading


@newscientist.com | 1 year ago

Foraging for wild garlic: how, when and what to watch out for

The pungent flavour of wild garlic probably evolved as a defence against herbivory, but it doesn’t deter garlic-loving humans, says Sam Wong | Continue reading


@newscientist.com | 1 year ago

Addicted to Drama: Find out what it means to be called a 'drama queen'

Is whipping up drama from everyday life down to personality? Or could it be caused by something deeper that warrants investigation? Scott Lyons's new book explores what might fuel those who thrive on the dramatic | Continue reading


@newscientist.com | 1 year ago

Let science guide horse welfare, not misguided, overemotional protest

Equine sports are increasingly under fire from animal rights activists, but science should be the focus for those who demand changes to the likes of horseracing and Olympic events, says Christa Lesté-Lasserre | Continue reading


@newscientist.com | 1 year ago

Comb jellies, not sponges, might be the oldest animal group after all

An argument that has been raging among biologists for over a decade – whether comb jellies or sponges were the first group to split off from the common ancestor of all animals – has a new twist, thanks to an analysis of genetic patterns | Continue reading


@newscientist.com | 1 year ago

Octopus-inspired ink changes colour when exposed to light

The ink could one day be used to provide automatic camouflage by turning green in forests and sand-coloured in deserts | Continue reading


@newscientist.com | 1 year ago

A new class of anti-ageing drugs has arrived – which ones really work?

A variety of drugs, including metformin, rapamycin and a host of new senolytics, are finally showing promise in clearing out zombie cells that cause age-related diseases. Here's what you need to know | Continue reading


@newscientist.com | 1 year ago

Christopher Paolini on the 5 space operas that inspired his new novel

From Dune to Babylon 5, the Eragon author reveals five inspirations behind his new adult science fiction novel, Fractal Noise | Continue reading


@newscientist.com | 1 year ago

Scientists discovered why cola and salty snacks taste so good together

Salty snacks taste great, but combining them with cola can enhance the flavour even further - and now we know why | Continue reading


@newscientist.com | 1 year ago

Breaching 1.5°C of global warming by 2027 is increasingly likely

The UK’s Met Office says there is now a 66 per cent chance average global temperatures will be more than 1.5°C above pre-industrial levels in at least one of the next five years | Continue reading


@newscientist.com | 1 year ago

Gibbons plan ahead to beat competitors to the best breakfast spots

Skywalker gibbons remember the locations of the most desirable foods and set off earlier when they want to eat fruit for breakfast | Continue reading


@newscientist.com | 1 year ago

‘Shin splints’ may not be caused by running up and down hills

Shin pain is common for runners, but it's unclear what parts of training most contribute. It turns out that pressure on shin bones is more severe when runners up their pace compared to when they train on hills | Continue reading


@newscientist.com | 1 year ago

Running faster puts more strain on your shins than running uphill

The true cause of "shin splints" still isn't well understood, but a contributing factor may be that running fast puts more strain on shin bones than tackling inclines does | Continue reading


@newscientist.com | 1 year ago

Are sweeteners safe and why is the WHO saying we should avoid them?

A report from the World Health Organization contradicts current mainstream health advice to choose food and drinks with sweeteners instead of sugar | Continue reading


@newscientist.com | 1 year ago

Life-sized screens make video calls feel like you're sharing a room

A new high-definition virtual meeting pod by Finnish company Framery aims to recreate face-to-face conversations at a distance. Are these the future of video calls – and can they really reduce the need for business travel? | Continue reading


@newscientist.com | 1 year ago

The cyber-lawyer who wants to teach everyone how to hack

To improve cybersecurity we need to understand how hackers really think, as well as how they code, says cyber-lawyer Scott Shapiro. That's why he's teaching everyone how to hack    | Continue reading


@newscientist.com | 1 year ago

Knowing how to hack will be vital in a cybercrime-filled future

To improve cybersecurity we need to understand how hackers really think, as well as how they code, says cyber-lawyer Scott Shapiro. That's why he's teaching everyone how to hack    | Continue reading


@newscientist.com | 1 year ago

Microbombs detonated by ultrasound can blast away tooth decay bacteria

Tiny capsules burst open when hit with ultrasound waves, releasing chemicals that destroy films of bacteria like those found on teeth | Continue reading


@newscientist.com | 1 year ago

Watch 44 million atoms simulated using AI and a supercomputer

This simulation models a huge number of atoms in detail with the help of artificial intelligence | Continue reading


@newscientist.com | 1 year ago

Genetically modified stem cells extend lifespan of mice by 20 per cent

A genetic alteration that extends the life of mice can be transferred to other mice via blood stem cells, and this could soon be tested in humans as a cancer treatment | Continue reading


@newscientist.com | 1 year ago

Why use of AI is a major sticking point in the ongoing writers' strike

The writers' strike was initially about compensation in an era of streaming services. Now the role of AI has also become a major point of contention in negotiations between the Writers Guild of America and companies such as Disney and Netflix | Continue reading


@newscientist.com | 1 year ago

Toxic PFAS can be broken down by bacteria found in wastewater

Certain kinds of "forever chemicals" can be dismantled using bacteria found in wastewater. This points to a possible way of making more of these compounds biodegradable | Continue reading


@newscientist.com | 1 year ago

People with partial resistance to Alzheimer’s could inspire new drugs

The finding suggests existing theories about the cause of dementia may need to be rethought | Continue reading


@newscientist.com | 1 year ago

Lost presumed dead: The search for the most wanted birds in the world

The Search for Lost Birds project has already tracked down two species on its top 10 list. But is this focus on a handful of potentially extinct birds really good for conservation? | Continue reading


@newscientist.com | 1 year ago

Death of an Author review: Murder mystery generated by AI isn't awful

Stephen Marche worked with ChatGPT and other AI tools to craft this thriller. The prose is plodding and the final twist leans heavily on a Sherlock Holmes story – but this is an interesting experiment | Continue reading


@newscientist.com | 1 year ago

Seals in Mexico are losing fur and climate change may be to blame

Alopecia makes it harder for fur seals to keep warm, and the condition may be the result of hotter temperatures making it tough to find their preferred prey | Continue reading


@newscientist.com | 1 year ago

Irregular sleep linked to a higher risk of death over the next 7 years

Lacking a set bed and wake time may influence our body's various psychological processes, affecting our health. Alternatively, irregular sleep habits could be caused by a pre-existing medical condition that itself raises the risk of death over a given period | Continue reading


@newscientist.com | 1 year ago