newscientist.com / Page 2

Parents may discourage naps out of concern that their child won't then sleep at night, but research suggests that is not actually the case ...

Mathematicians have solved a decades-old problem in knot theory, discovering that linking two knots together can actually produce a knot that is easier to untie - the opposite of what was expected ...

Without enough liquid water on the surface, a planet's atmosphere can become choked with carbon dioxide, raising temperatures to a level beyond what is survivable for all known life ...

Proposed budget cuts in the US will lead to the loss of vital carbon dioxide measurements, but no other countries are preparing to step in so far, researchers warn ...

Adding fire-suppressing chemicals into batteries can prevent overheating, fires and explosions, cutting the risks for electric vehicles and portable electronics ...

People with disrupted access to GLP-1 drugs, like Ozempic, still seem to lose substantial amounts of weight ...

Much like hurricanes further south, the strongest storms to pummel the US north-east are getting even stronger as sea surface temperatures rise ...

Ambitious projects aim to put dire wolves, woolly mammoths and passenger pigeons back into our ecosystems. But with so many technical and ethical hurdles, what is the real motivation?

UK company Superdielectrics says its polymer technology could make batteries cheaper and easier to recycle, but its energy density must improve to compete with lithium-ion devices ...

Satellite data suggests cloud darkening is responsible for much of the warming since 2001, and the good news is that it is a temporary effect due to a drop in sulphate pollution ...