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Mar 30 • 14 tweets • 7 min read Twitter logo Read on Twitter
In this week's issue: A radical new theory suggests wrinkles may be a cause of aging not just a symptom

Grab a copy in stores today or download our app for audio and digital editions
newscientist.com/issue/3432/
Fifty years ago, Bernard Carr wrote in New Scientist about the mounting evidence for black holes. Now, evidence for these objects is incontrovertible, and Carr is back writing for us – this time about black holes older than the universe
newscientist.com/article/mg2573…
In a lifetime of tree climbing, Nalini Nadkarni has helped expose the secrets of cloud forests – and as the perils now facing them
newscientist.com/article/mg2573…
Forget vanity, there's a much better reason to want to banish wrinkles - a new theory suggests skin ageing is causing more widespread ageing throughout your body and brain
newscientist.com/article/236609…
Were you fooled by these AI-generated images of Pope Francis looking stylish in a puffer jacket? And should what some are calling “the first real mass-level AI misinformation case” be a cause for concern?
newscientist.com/article/236631…
Cancer is on the rise among younger people in many countries and for many different tumour types: what could the causes be?
newscientist.com/article/236656…
Carl Sagan's novel Contact, in which Ellie Arroway searches for alien intelligence, has been an inspiration and a guide, says @IBJIYONGI
newscientist.com/article/mg2573…
Poor diet is the biggest cause of avoidable illness and premature death in high-income countries. Our food system is broken, say @HenryDimbleby and @gemimsy
newscientist.com/article/mg2573…
These images from a companion book to David Attenborough's new documentary series #WildIsles celebrate the wildlife of Britain and Ireland
newscientist.com/article/mg2573… Thermal night vision image of starlings roosting Mark YatesGreat crested grebes during a courtship dance Ben Hall/natuMale adders sizing one another up Harry Yates
Sarah Hart's engaging book about how central maths is to literature by authors from George Eliot to Georges Perec is a homage to both subjects
newscientist.com/article/mg2573…
Many people feel an uncanny "presence" when no one is there. Ben Alderson-Day explores why this is, in a lively and comprehensive book
newscientist.com/article/mg2573…
It would be the ultimate in personalised medicine: a digital version of your body, which doctors could use to predict what diseases might befall you and your future health. A new book from Peter Coveney and Roger Highfield asks if it is possible
newscientist.com/article/mg2573…
Feedback explores hypergunk, one of the concepts behind irreducibly collective existence and bottomless nihilism, and gets involved in the war going on in the nasal cavity
newscientist.com/article/mg2573…
Nestled within the faintest of the zodiacal constellations, the Beehive cluster can be tricky to find, but these stars are worth the effort, says @abbybeall
newscientist.com/article/mg2573…

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More from @newscientist

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Mar 30
Tomorrow is the last day to vote for the @ASME1963 magazine cover of the year. The winner of the reader's choice is the one with the most likes. Here's a few we think you might like...
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New Scientist Profile picture
Mar 30
Forget vanity, there's a much better reason to want to banish wrinkles - a new theory suggests skin ageing is causing widespread ageing throughout your body and brain newscientist.com/article/236609…
As skin ages, it degenerates dramatically. In the epidermis, stem cell proliferation slows down, leading to progressive thinning – we lose up to half this layer over our lifetime – and a roughening of its surface
On top of this, as skin ages, more and more cells enter a zombie-like state called senescence

This is bad news, says @claudiacavadas, as the cells pump out a toxic cocktail of inflammatory proteins that damage surrounding cells and connective tissue The left side of William Mc...
Read 9 tweets
New Scientist Profile picture
Mar 29
Meet the cloud forest researcher and secular “missionary” for ecology who has a Barbie doll made in her image newscientist.com/article/mg2573…
When Nalini Nadkarni first ventured into the canopy of a cloud forest four decades ago, almost nothing was known about this unique ecosystem Nalini Nadkarni in the tree...
To explore it, she and a small group of pioneers had to develop special tree-climbing techniques, which have allowed her and others to unlock the mysteries of forest canopy biology
Read 9 tweets
New Scientist Profile picture
Feb 8
What qualifies as trauma has become a hotly debated issue, with implications for treating people who experience PTSD newscientist.com/article/mg2543…
Giving birth. A car accident. Racial abuse. Many of us feel we have experienced things we would describe as traumatic

Add in a pandemic and experts warned that a mental health crisis was in the making, with cases of post-traumatic stress disorder predicted to soar Streets in Wuhan, China, are all but deserted in January 202
In fact, most of these things don’t actually count as trauma. Research by @giorgiobee at @Columbia has shown that, given time, most of us will recover even from the most horrifying experiences
Read 10 tweets
New Scientist Profile picture
Feb 7
About 1 per cent of people may be treated for severe paranoia, but many more of us have milder paranoid thoughts, which has led some psychologists to identify a “paranoia spectrum” newscientist.com/article/mg2573…
Paranoia, simply defined, is the unfounded belief that others are trying to hurt you

Such unjustified thoughts may include fear of a physical threat or merely the idea that other people are laughing at you behind your back
Research over the past 20 years has revealed that paranoia isn’t restricted to a subset of the people who have been diagnosed with schizophrenia or similar conditions As many as 1 in 6 of us may have paranoid thoughts Jonathan
Read 6 tweets
New Scientist Profile picture
Jan 11
US authorities are reportedly considering a ban on new gas stoves in light of research claiming they are linked to one in eight cases of childhood asthma

How do gas stoves harm our health and climate, and should they be banned? newscientist.com/article/235443…
For many restaurant chefs and enthusiastic amateur cooks, gas has long been the fuel of choice for stove-top cooking

But this love affair with gas cooking could be coming to an end, in the face of growing evidence of the public health and climate threat it poses
Gas stoves produce nitrogen dioxide and particulate matter – the same pollutants in traffic fumes – which can irritate lungs and increase the risk of heart disease and cancer Gas stoves are a source of nitrogen dioxide and particulate
Read 5 tweets

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