How worried should we be about noxious chemicals from dead satellites? 21. October 2025 (18:00) We have more satellites than ever before, but when they burn up they create a new kind of air pollution. Evidence is now revealing what effects this could have and how to tackle it(New Scientist)
Everything is perimenopause now – but what if it’s not? 20. October 2025 (18:00) Many of the signs of perimenopause can also be symptoms of other conditions, and some of these get increasingly dangerous if they’re misdiagnosed(New Scientist)
The extraordinary influence of the lymphatic system on our health 20. October 2025 (16:00) 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(New Scientist)
Eye implant and high-tech glasses restore vision lost to age 20. October 2025 (15:00) 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(New Scientist)
Hand-powered device disinfects drinking water with nanoparticles 20. October 2025 (12:31) 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(New Scientist)
Neanderthal-human hybrids may have been scourged by a genetic mismatch 20. October 2025 (11:00) 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(New Scientist)
mRNA covid vaccines spark immune response that may aid cancer survival 19. October 2025 (15:45) 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(New Scientist)
‘Nightmare’ calculation may be too tricky for even quantum computers 17. October 2025 (22:01) 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(New Scientist)
