Nonfiction include formal and informal essays, speeches, letters, diaries, journals, biographies, magazine articles, and newspaper stories.
Hope that helps :)
Time's fool is referring to any concept that becomes lost in time. Love is an intangible and uncontrollable feeling, yet is felt instantly and does not waste time to be present.
It is a tricky question, but from our current standing, we aren't close. Sure, we might lower the starvation rate, but it's most likely not going to end.