Memory

Good and bad memories are stored in different neurons, study finds
Three reasons “you” won’t return after this life
Brain-zapping tech improves memory by more than 50%
Smartphones might actually be improving your memory 
HIV drug could improve memory
Mammals dream about the world they are entering even before birth
Newly discovered types of brain cells may hold the key to memory 
Fecal transplants reverse aging in brains of old mice
Hungry mice show why you should take study breaks
Neck-zapping device helps sleep-deprived soldiers think