music: what popular folk singer recorded the 1968 hit "both sides now"?

Questions

Which Labour politician, according to Harold Wilson, "immatures with age"?

What was the city of Istanbul called before 330 AD?

In which year did Lester Piggott ride his first Derby winner?

In which Jane Austen novel does Fanny Price appear?

What's the common name for leucocytes, found in the blood?