Misc: In 1822 William ---------- discovered Uranus, dies at 85. ?

Questions

rat, blue, cottage?

Which would usually live longer, a giraffe or a zebra?

Which writer & illustrator was fired in july 1992 by King Features over an abortion rights story line in his daily comic strip Popeye?

Which writer said "a little learning is a dangerous thing"?

Which writer's widow changed the family's name to Holland after his death to avoid scandal?