newscientist.com / Page 6

Scientists are finding out how coffee beans are transformed when they pass through the guts of Asian palm civets in the hope of replicating the process without using animals ...

Buried underground near the surface, frozen regions of Mars could have tiny hidden channels full of liquid water, which could be a habitable environment for microscopic organisms ...

Microbes high in Earth's stratosphere produce pigments to protect them from UV light - so similar molecules could be biosignatures of life elsewhere in the galaxy ...

Solar electricity is growing rapidly, but can it really dominate the global energy system? Here is what it will take for us to power the planet on sunshine ...

Human embryos formed with in vitro fertilisation can develop genetic abnormalities in the time between genetic testing and implantation - though this may not affect their viability ...

Lithium-ion batteries are prone to catching fire when damaged, but a simple change of electrolyte material can put a stop to the vicious chemical cycle that causes the problem ...

So far, immune cells that have been engineered to kill cancers, known as CAR T-cells, haven't worked well against solid cancers - but a study in mice suggests that could soon change ...

Studies have suggested that Wegovy directly boosts heart health, beyond just the benefits of losing weight, and now that has been demonstrated in a robust trial in people ...

The White House Effect is a distressing look back at how President George H. W. Bush came to abandon his climate ambitions. It is essential viewing and a glimpse at a world that could have been, says Bethan Ackerley ...

In the run-up to this year's COP in Brazil, Madeleine Cuff explores The Climate Diplomat, a poignant account by the late Peter Betts, a negotiator who showed what diplomacy can achieve ...