
Rat brains seen replaying scary memories as they sleep
11 September 2017
Could this be where nightmares come from? When rats are given a fright while awake, their brains go on to replay their fear when they next fall sleep

11 September 2017
Could this be where nightmares come from? When rats are given a fright while awake, their brains go on to replay their fear when they next fall sleep

11 September 2017
Over 90 per cent of microorganisms are unknown to science, but DNA analysis has unmasked thousands of them and made life's story far more complex

11 September 2017
If there is a Planet Nine lurking in the outer reaches of our solar system, it was probably born close to the sun rather than snatched up from afar

10 September 2017
Linguamyrmex vladi had ferocious snapping jaws and a horn reinforced with metal, which it may have used to puncture prey and drain their blood

9 September 2017
A 52-million-year-old ankle bone hints at first primates jumping rather than clambering from tree to tree – but what drove them to evolve this way is a mystery

8 September 2017
A type of simulated water ice has a molecular structure so sparse it’s like frozen candy floss, making it the lightest type of ice we’ve ever seen

8 September 2017
“Horrendous” hack of Equifax, a US firm responsible for millions of people’s credit ratings, is not the biggest in US history, but the data is the most sensitive

8 September 2017
Average IQ may be falling, a trend some think is due to smarter people having fewer children. Now evidence suggests longer lifespans may be to blame instead

8 September 2017
As the oceans become more acidic thanks to greenhouse gas emissions, box jellyfish will eat far more copepods – the foundations of marine food webs

7 September 2017
Until bats get very close, their echolocation makes them “see” smooth surfaces like windows as gaps rather than as a solid material – with impactful results