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New Scientist - Home
New Scientist - Home
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A distant comet is forming new rings while we watch in real time
The comet-like object Chiron has been caught in the process of forming new rings, which could help us understand how these complex systems work
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Everything is perimenopause now – but what if it’s not?
Many of the signs of perimenopause can also be symptoms of other conditions, and some of these get increasingly dangerous if they’re misdiagnosed
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Breastfeeding causes a surge in immune cells that could prevent cancer
Breastfeeding seems to cause specialised immune cells to flood into the breasts and stay there for years or even decades, reducing the risk of cancer
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The extraordinary influence of the lymphatic system on our health
It has remained mysterious for millennia, but we’re finally uncovering the profound role the lymphatic system plays in everything from preventing dementia to fighting cancer
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Eye implant and high-tech glasses restore vision lost to age
Age-related macular degeneration is a common cause of vision loss, with existing treatments only able to slow its progression. But now an implant in the back of the eye and a pair of high-tech glasses have enabled people with the condition to read again
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Hand-powered device disinfects drinking water with nanoparticles
Turning the crank on a simple device filled with nanoparticles can remove serious pathogens from water in seconds, making it suitable for areas without electricity
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Neanderthal-human hybrids may have been scourged by a genetic mismatch
When Homo sapiens and Neanderthals interbred, a genetic variation affecting red blood cells may have hindered reproduction in women who were hybrids, and this might have played a part in Neanderthals’ demise
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mRNA covid vaccines spark immune response that may aid cancer survival
An analysis of patient records suggests that mRNA covid-19 vaccines boost the immune response to cancerous tumours when given soon after people start a type of immunotherapy, extending their lives
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‘Nightmare’ calculation may be too tricky for even quantum computers
Quantum computers hold great potential for solving many problems more quickly or efficiently than conventional computers, but researchers are starting to identify where they could falter
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Replacing sugar with artificial sweetener may help your gut microbiome
One of the longest trials of artificial sweeteners to date found that they may increase beneficial gut bacteria, though the boost may also be related to weight loss