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
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
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
We’ve hit a climate tipping point, but leaders seem unlikely to act
A report on the state of the climate has concluded coral reefs are on a knife-edge, even as the world shifts away from making good on net zero
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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
Can chilli powder really stop animals from digging up your garden?
Chilli powder is touted as a cheap, easy, safe option to protect your garden from foxes and squirrels. James Wong casts a scientific eye on this popular remedy
If you love AI, you’ll love Ken Liu’s new cyberpunk thriller
In Ken Liu’s All That We See or Seem, a once-famous hacker must find a missing dream-weaver. One for AI fans, but it didn’t quite work for Emily H. Wilson
A radical rethink of what makes your diet healthy or bad for you
What you eat has a surprising impact on the pH of your body with wide ranging impacts on your health. But getting the balance right isn’t as simple as eating fewer acidic foods
‘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
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