science

High-voltage copper plates can remove up to three-quarters of frost from a surface, while using much less energy than conventional heating Source link

Brain activity from more than 1000 people shows a rapid transition from being awake to being asleep, rather than a slow transition between the two states Source link

A dwarf galaxy 100 million light years away is being stripped of its crucial star-forming gas, and it seems that the cosmic web is siphoning off this gas as the galaxy passes through Source link

It is widely accepted that the universe is expanding at an accelerating rate, but now researchers say our measurements of the mysterious force driving that may be wrong and that the universe began to slow 1.5 billion years ago – but other scientists disagree Source link

A planet is about to be destroyed by the collapse of a binary star system in Slow Gods, Claire North’s first venture into classic science fiction. Read it! says Emily H. Wilson Source link

Neurologically, the flexibility of the future promised by liberal democracy can be a challenge because it brings with it uncertainty. But there are solutions, say Florence Gaub and Liya Yu Source link

Researchers warn that the alga Karenia cristata, which has killed around a million animals in Australian waters in one of the biggest algal blooms ever seen, could harm marine life elsewhere Source link

In the largest genetic analysis of polycystic ovary syndrome to date, scientists have identified new variants linked to the condition, which could help us treat it more effectively Source link

Expectations are low for the UN climate conference in Belém, Brazil, but the host’s pragmatic approach could help make progress on implementation Source link

Enamel does not naturally regenerate, which can lead to painful cavities, but a gel that harnesses some of the properties of saliva could restore the hard, shiny layer to teeth Source link