Misc: What is the fear of standing or walking known as?

Questions

how much internal memory did the early personal computer, the sinclair zx80, have?

what did pat benatar sing before she went into rock music?

what nerve carries signals from the retina to the brain?

who wrote the happy prince?

celebrity-hounding photographers are called paparazzi, in english as well as italian. it is believed the word was coined after a particularly obtrusive character named?