New Scientist
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In this week’s issue: Your BMI can't tell you much about your health – here's what can, teaching molecules to think is revealing what a 'mind' is, and the weird rules of temperature in the quantum realm.
Grab a copy in shops now or download our app for digital editions. newscientist.com/issue/3582/
Grab a copy in shops now or download our app for digital editions. newscientist.com/issue/3582/
Simulations suggest that two enormous masses of hot rock have been involved in generating Earth’s magnetic field and giving it an irregular shape
Huge hot blobs inside Earth may have made its magnetic field wonky
Simulations suggest that two enormous masses of hot rock have been involved in generating Earth’s magnetic field and giving it an irregular shape
www.newscientist.com
February 14, 2026 at 8:47 PM
Simulations suggest that two enormous masses of hot rock have been involved in generating Earth’s magnetic field and giving it an irregular shape
Can a single particle have a temperature? It may seem impossible with our standard understanding of temperature, but columnist Jacklin Kwan finds that it’s not exactly ruled out in the quantum realm
The weird rules of temperature get even stranger in the quantum realm
Can a single particle have a temperature? It may seem impossible with our standard understanding of temperature, but columnist Jacklin Kwan finds that it’s not exactly ruled out in the quantum realm
www.newscientist.com
February 14, 2026 at 7:45 PM
Can a single particle have a temperature? It may seem impossible with our standard understanding of temperature, but columnist Jacklin Kwan finds that it’s not exactly ruled out in the quantum realm
Scientists may have stumbled across a network of vessels in the brain that helps clear out waste fluid – a discovery that could "represent a paradigm shift in our understanding of all neurodegenerative diseases"
Accidental discovery hints at mystery structures within our brain
Scientists may have stumbled across a network of vessels in the brain that helps clear out waste fluid – a discovery that could "represent a paradigm shift in our understanding of all neurodegenerative diseases"
www.newscientist.com
February 14, 2026 at 6:53 PM
Scientists may have stumbled across a network of vessels in the brain that helps clear out waste fluid – a discovery that could "represent a paradigm shift in our understanding of all neurodegenerative diseases"
Two-year-olds raised in vegan or vegetarian households don't necessarily have restricted growth, according to a study of 1.2 million children
Vegan toddlers can grow at the same rate as omnivores
Two-year-olds raised in vegan or vegetarian households don't necessarily have restricted growth, according to a study of 1.2 million children
www.newscientist.com
February 14, 2026 at 5:56 PM
Two-year-olds raised in vegan or vegetarian households don't necessarily have restricted growth, according to a study of 1.2 million children
The books, TV, games and more that New Scientist staff have enjoyed this week
New Scientist recommends Hamnet, and its look at our links with nature
The books, TV, games and more that New Scientist staff have enjoyed this week
www.newscientist.com
February 14, 2026 at 5:05 PM
The books, TV, games and more that New Scientist staff have enjoyed this week
Nearly 40 years after Stephen Hawking's A Brief History of Time, Sarah Alam Malik's epic exploration of the cosmos reflects a changed landscape around science in the 21st century, finds Alison Flood
A new 'brief history' of the universe paints a wide picture
Nearly 40 years after Stephen Hawking's A Brief History of Time, Sarah Alam Malik's epic exploration of the cosmos reflects a changed landscape around science in the 21st century, finds Alison Flood
www.newscientist.com
February 14, 2026 at 4:39 PM
Nearly 40 years after Stephen Hawking's A Brief History of Time, Sarah Alam Malik's epic exploration of the cosmos reflects a changed landscape around science in the 21st century, finds Alison Flood
An otherworldly coral, a very cute moth and an intricately beautiful mushroom are among the winners in the prize this year
Five stunning images from the Close-up Photographer of the Year awards
An otherworldly coral, a very cute moth and an intricately beautiful mushroom are among the winners in the prize this year
www.newscientist.com
February 14, 2026 at 3:42 PM
An otherworldly coral, a very cute moth and an intricately beautiful mushroom are among the winners in the prize this year
The first people to reach the Kitsissut Islands off the north-west coast of Greenland were Indigenous peoples, who crossed over 50 kilometres of treacherous water
Seafarers were visiting remote Arctic islands over 4000 years ago
The first people to reach the Kitsissut Islands off the north-west coast of Greenland were Indigenous peoples, who crossed over 50 kilometres of treacherous water
www.newscientist.com
February 14, 2026 at 2:41 PM
The first people to reach the Kitsissut Islands off the north-west coast of Greenland were Indigenous peoples, who crossed over 50 kilometres of treacherous water
A growing body of psychological research shows that the best relationships – romantic or otherwise – come with a feeling of personal growth. Columnist David Robson explores the evidence-backed ways to broaden our horizons and connect more deeply with our loves, our friends and ourselves
Why self-expansion is the key to long-lasting love and friendship
A growing body of psychological research shows that the best relationships – romantic or otherwise – come with a feeling of personal growth. Columnist David Robson explores the evidence-backed ways to broaden our horizons and connect more deeply with our loves, our friends and ourselves
www.newscientist.com
February 14, 2026 at 1:51 PM
A growing body of psychological research shows that the best relationships – romantic or otherwise – come with a feeling of personal growth. Columnist David Robson explores the evidence-backed ways to broaden our horizons and connect more deeply with our loves, our friends and ourselves
When we exercise more, our bodies may compensate by using less energy for other things – especially if we eat less too
Why exercise isn't much help if you are trying to lose weight
When we exercise more, our bodies may compensate by using less energy for other things – especially if we eat less too
www.newscientist.com
February 14, 2026 at 12:50 PM
When we exercise more, our bodies may compensate by using less energy for other things – especially if we eat less too
Some think the rise of C-sections means that one day all births will require serious medical intervention. But a surprising new understanding of the pelvis suggests a different story
Why is childbirth so hard for humans – and is it getting even harder?
Some think the rise of C-sections means that one day all births will require serious medical intervention. But a surprising new understanding of the pelvis suggests a different story
www.newscientist.com
February 14, 2026 at 12:01 PM
Some think the rise of C-sections means that one day all births will require serious medical intervention. But a surprising new understanding of the pelvis suggests a different story
The late photographer's work depicting some of the world's coldest places is collected in his new book Genesis
Sebastião Salgado's stunning shots of the world's icy regions
The late photographer's work depicting some of the world's coldest places is collected in his new book Genesis
www.newscientist.com
February 14, 2026 at 11:20 AM
The late photographer's work depicting some of the world's coldest places is collected in his new book Genesis
Life may have begun when RNA molecules began to replicate themselves, and now we’ve finally found an RNA molecule that is very close to being able to do this
RNA strand that can almost self-replicate may be key to life's origins
Life may have begun when RNA molecules began to replicate themselves, and now we’ve finally found an RNA molecule that is very close to being able to do this
www.newscientist.com
February 14, 2026 at 10:21 AM
Life may have begun when RNA molecules began to replicate themselves, and now we’ve finally found an RNA molecule that is very close to being able to do this
We are told we need cynical strategies to "play" the dating game, but the science says this is totally wrong. David Robson enjoys an evidence-based takedown from psychologist Paul Eastwick
What to read this week: Bonded by Evolution by Paul Eastwick
We are told we need cynical strategies to "play" the dating game, but the science says this is totally wrong. David Robson enjoys an evidence-based takedown from psychologist Paul Eastwick
www.newscientist.com
February 14, 2026 at 9:55 AM
We are told we need cynical strategies to "play" the dating game, but the science says this is totally wrong. David Robson enjoys an evidence-based takedown from psychologist Paul Eastwick
Susan Wise Bauer's The Great Shadow investigates the effects of illness on individual lives and collective beliefs. It's a mixed bag, says Peter Hoskin
Fascinating but flawed book explores how sickness shapes our lives
Susan Wise Bauer's The Great Shadow investigates the effects of illness on individual lives and collective beliefs. It's a mixed bag, says Peter Hoskin
www.newscientist.com
February 14, 2026 at 9:38 AM
Susan Wise Bauer's The Great Shadow investigates the effects of illness on individual lives and collective beliefs. It's a mixed bag, says Peter Hoskin
In George Saunders's Vigil, a ghost visits Earth to help a dying oil tycoon, while terraforming efforts on Mars are about to bear fruit in The Rainseekers by Matthew Kressel. Emily H. Wilson's sci-fi column explores two very different short novels
Exploring sci-fi treats from George Saunders and Matthew Kressel
In George Saunders's Vigil, a ghost visits Earth to help a dying oil tycoon, while terraforming efforts on Mars are about to bear fruit in The Rainseekers by Matthew Kressel. Emily H. Wilson's sci-fi column explores two very different short novels
www.newscientist.com
February 14, 2026 at 9:03 AM
In George Saunders's Vigil, a ghost visits Earth to help a dying oil tycoon, while terraforming efforts on Mars are about to bear fruit in The Rainseekers by Matthew Kressel. Emily H. Wilson's sci-fi column explores two very different short novels
The meaning of life has puzzled philosophers for millennia, but new research suggests it could be as simple as lending a helping hand
How to live a meaningful life, according to science
The meaning of life has puzzled philosophers for millennia, but new research suggests it could be as simple as lending a helping hand
www.newscientist.com
February 14, 2026 at 8:45 AM
The meaning of life has puzzled philosophers for millennia, but new research suggests it could be as simple as lending a helping hand
People classed as “overweight” according to BMI can be perfectly healthy. But there are better measures of fat, and physicians are finally using them
Your BMI can't tell you much about your health – here's what can
People classed as “overweight” according to BMI can be perfectly healthy. But there are better measures of fat, and physicians are finally using them
www.newscientist.com
February 14, 2026 at 7:51 AM
People classed as “overweight” according to BMI can be perfectly healthy. But there are better measures of fat, and physicians are finally using them
Building the human story based on a few artefacts is tricky – particularly for wooden tools that don’t preserve well, or cave art that we don’t have the technology to date. Columnist Michael Marshall explores how we determine what came first in the timeline of our species
Which humans first made tools or art – and how do we know?
Building the human story based on a few artefacts is tricky – particularly for wooden tools that don’t preserve well, or cave art that we don’t have the technology to date. Columnist Michael Marshall explores how we determine what came first in the timeline of our species
www.newscientist.com
February 14, 2026 at 7:36 AM
Building the human story based on a few artefacts is tricky – particularly for wooden tools that don’t preserve well, or cave art that we don’t have the technology to date. Columnist Michael Marshall explores how we determine what came first in the timeline of our species
We pick the sci-fi novels we’re most looking forward to reading this month, from a new Brandon Sanderson to the latest from Makana Yamamoto
The best new science fiction books of February 2026
We pick the sci-fi novels we’re most looking forward to reading this month, from a new Brandon Sanderson to the latest from Makana Yamamoto
www.newscientist.com
February 14, 2026 at 7:16 AM
We pick the sci-fi novels we’re most looking forward to reading this month, from a new Brandon Sanderson to the latest from Makana Yamamoto
A type of cognitive training that tests people's quick recall seems to reduce the risk of dementia, including Alzheimer's disease
Specific cognitive training has 'astonishing' effect on dementia risk
A type of cognitive training that tests people's quick recall seems to reduce the risk of dementia, including Alzheimer's disease
www.newscientist.com
February 14, 2026 at 6:24 AM
A type of cognitive training that tests people's quick recall seems to reduce the risk of dementia, including Alzheimer's disease
Scientists have captured remarkable footage of the young of a mouse-sized marsupial, called a fat-tailed dunnart, making their way to their mother’s pouch soon after being born
Newborn marsupials seen crawling to mother's pouch for the first time
Scientists have captured remarkable footage of the young of a mouse-sized marsupial, called a fat-tailed dunnart, making their way to their mother’s pouch soon after being born
www.newscientist.com
February 14, 2026 at 5:58 AM
Scientists have captured remarkable footage of the young of a mouse-sized marsupial, called a fat-tailed dunnart, making their way to their mother’s pouch soon after being born
Scientists have pinpointed a group of bacteria that consistently appear in high numbers in healthy people, suggesting that these could one day be targeted through diet or probiotics
'Hidden' group of gut bacteria may be essential to good health
Scientists have pinpointed a group of bacteria that consistently appear in high numbers in healthy people, suggesting that these could one day be targeted through diet or probiotics
www.newscientist.com
February 14, 2026 at 5:26 AM
Scientists have pinpointed a group of bacteria that consistently appear in high numbers in healthy people, suggesting that these could one day be targeted through diet or probiotics
The activity of certain neurons may influence our endurance for exercise, and these could be targeted to help us run faster for longer
Endurance brain cells may determine how long you can run for
The activity of certain neurons may influence our endurance for exercise, and these could be targeted to help us run faster for longer
www.newscientist.com
February 14, 2026 at 5:07 AM
The activity of certain neurons may influence our endurance for exercise, and these could be targeted to help us run faster for longer
Thousands of years before the invention of compasses or sails, prehistoric peoples crossed oceans to reach remote lands like Malta and Australia. Doing so meant striking out in unknowable conditions. What do such crossings tell us about ancient minds?
Ancient humans were seafaring far earlier than we realised
Thousands of years before the invention of compasses or sails, prehistoric peoples crossed oceans to reach remote lands like Malta and Australia. Doing so meant striking out in unknowable conditions. What do such crossings tell us about ancient minds?
www.newscientist.com
February 14, 2026 at 4:49 AM
Thousands of years before the invention of compasses or sails, prehistoric peoples crossed oceans to reach remote lands like Malta and Australia. Doing so meant striking out in unknowable conditions. What do such crossings tell us about ancient minds?