In this week’s issue: The real reasons birth rates are declining worldwide, a crisis in cosmology may mean hidden dimensions exist, and the loophole that makes quantum cloning possible.

Grab a copy in shops now or download our app for digital editions. www.newscientist.com/issue/3585/

Millipede

#lifeinblackandwhite #bnwmood #blackandwhiteoftheday

Brodaglia tiepida.

L’immagine mostra parte del Mediterraneo interessato da estese nubi basse.

Un fenomeno osservato più volte durante le fasi anticicloniche stagnanti in inverno; quando aria molto mite negli strati più bassi scorre su superfici più fredde si solleva e condensa in nubi. 1/5

It’s your perception of sleep that’s making you feel tired all day How we feel about a night’s sleep can have a bigger impact on mood and grogginess than actual hours of rest. Here’s how to change your mindset to feel more energised

How we feel about a night’s sleep can have a bigger impact on mood and grogginess than actual hours of rest. Here’s how to change your mindset to feel more energised

Microbe with the smallest genome yet pushes the boundaries of life Symbiotic bacteria living inside insect cells have lost much of their DNA over hundreds of millions of years, much like the ancient microbes that evolved into mitochondria

Symbiotic bacteria living inside insect cells have lost much of their DNA over hundreds of millions of years, much like the ancient microbes that evolved into mitochondria

Tree dragons above the stone dragon in the Giardino Parnasso, Firenze

Remember from my childhood…

I’m just supposed to leave this and go to work?!?!

Why are you making me do this?? 🥺

This is so cool

Oban ferry in the fog…

Dogs may make us more caring and sociable by changing our microbiome We know that pets influence our microbiome, but scientists have now found that having a dog seems to change this ecosystem in a way that could boost our well-being

We know that pets influence our microbiome, but scientists have now found that having a dog seems to change this ecosystem in a way that could boost our well-being

Heart-lung bypass lowered kidney blood flow by about half and lowered oxygen levels in the kidney tissue.

The brain's blood flow and oxygen levels were not much changed.

When noradrenaline was used, kidney oxygen levels dropped more than with vasopressin.

#AnSky #MedSky

doi.org/10.1111/anae...

Among 73,813 patients, 9495 (12.9%) lost the ability to live independently after surgery.

Patients who were classified as underweight or living with obesity class 3 or 4 had an increased likelihood of adverse discharge.

#AnSky #MedSky

doi.org/10.1111/anae...

I hope anaesthetists, surgeons and intensivists (and anyone who is interested) will give their thoughts about #Delirium research. Such an important but overlooked issue that affects at least 1 in 16 older surgical patients. www.surveymonkey.com/r/WTHNBZK #AnSky #GeriSky #SurgSky #NIHR

Diffidate di chi vi parla di "riforme a costo zero". Le riforme a costo zero non esistono in natura.
Infatti, ieri Schlein ha parlato di salario minimo come di "riforma a costo zero". Di questo passo, servirà l'antidoping.
(Poi, si può sempre cantare "facciamo come la Germania!", finché dura)

Interpreting the afternoon disadvantage: accounting for mediation, weighting and secular trends

#AnSky

doi.org/10.1111/anae...

An estimated 12% of the UK surgical population has been labelled as having a penicillin allergy!

How can we de-label appropriate patients?

#AnSky #allergy #MedSky

doi.org/10.1111/anae...

Republicans tell Trump to ‘grow up’ after he sacks data chief - The Telegraph

Substitute North Korea… shoot the messenger

Severe malnutrition in under-5s has tripled at Gaza City clinic, charity reports Charity says number of people needing care for malnutrition has quadrupled and blames Israeli ‘policy of starvation’

As a mother - as a human - I find it very difficult to look at these photos and not weep. “Rates of severe malnutrition among children aged under five at Médecins Sans Frontières’ Gaza City clinic have tripled in the last two weeks”
www.theguardian.com/world/2025/j...

Orcas are bringing humans gifts – what does it mean? Researchers have documented orcas seemingly gifting rays, seals and fish to scientists and divers, which could suggest they have theory of mind and engage in altruism – even across species

Orcas have been documented appearing to gift rays, seals and fish to scientists and divers. This could suggest they have theory of mind and engage in altruism – even across species.

Every bad thing you ever heard about the new Sonos app is true… do not make my mistake of thinking they’d fixed it. Avoid

Who said Bologna should only be famous for food?

We finally know what the face of a Denisovan looked like A skull from China has been identified as Denisovan using molecular evidence – so ancient humans once known solely from their DNA finally have a face

A skull from China has been identified as Denisovan using molecular evidence – so ancient humans once known solely from their DNA finally have a face

And now, after 7 months of baking, the shiny @lancetgh.bsky.social manuscript has emerged!

Very excited to share this as the culmination of a huge amount of work and fantastic/constructive peer review process.

www.thelancet.com/journals/lan...

🧪🩺 #IDsky #icusky

Massive congratulations on this Mark!

At #CASAM2025 for the @casupdate.bsky.social meeting representing @anaesjournal.bsky.social and the @assocanaes.bsky.social

Happy to chat about potential submissions to @anaesjournal.bsky.social or @anaesthesiareports.bsky.social

Looking forward to seeing the research presentations

1/5

President #Zelenskyy

💬 "This morning, I visited a russian missile strike on a residential building in Kyiv. The missile tore through every floor, reaching the basement. Twenty-three lives were lost in this single attack. My heart goes out to their families and loved ones.

BBC Radio 4 - The Life Scientific, Kevin Fong on medical planning for Mars and Earth-based emergencies Kevin Fong on pestering Nasa, medical planning for Mars and handling major A&E incidents.

Honoured (though a little surprised) to be last lab coat up in the current series of #LifeScientific. Lovely to chat with @jimalkhalili.bsky.social for this. Tune in tomorrow Radio 4 9am. www.bbc.co.uk/programmes/m...

The Intensive Care Society welcomes the important report published by the Palliative Care Commission - we believe there is significant potential to improve how palliative care is delivered within intensive care settings.

Read our full statement below👇

bit.ly/pallcarecomm...