While we sleep, our brains are busy organising fresh memories into long-term storage—or at least, that’s the theory. Intriguing new research is bolstering this assertion, with evidence that our brains replay the day’s experiences during sleep, in what is an integral part of the memory-storage process.
Large numbers of people around the globe have been forced into solitude due to the coronavirus pandemic. However, social distancing is utterly at odds with our drive for social connection, the cornerstone of human evolution.
An Iron Age human skull found in 2008 contained an unprecedented amount of preserved brain material, a discovery that has confounded scientists for over a decade. New research finally explains why this brain resisted decay for thousands of years.