Problem: In April 1993, the World Health Organisation declared which disease 'A global health emergency'?
Answer: tuberculosis

Problem: "Neither snow nor rain nor heat nor gloom of night stays these couriers from the swift completion of their appointed rounds" is often, and erronously, thought to be the motto of what US government agency?
Answer: post office

Problem: "Whose last words were, ""I've had eighteen straight whiskies. I think that's the record.""?"
Answer: dylan thomas

Problem: What is a baby hippopotamus called?
Answer:
calf