The Universe Doesn't Allow Perfection.

In A World That Is In Chaos Politically, Socially And Environmentally, How Can The Human Race Sustain Another 100 Years?

Science Makes God Unnecessary.

Time Travel Used To Be Thought Of As Just Science Fiction, But Einstein's General Theory Of Relativity Allows For The Possibility That We Could Warp Space-time So Much That You Could Go Off In A Rocket And Return Before You Set Out.

I Used To Think Information Was Destroyed In Black Hole. This Was My Biggest Blunder, Or At Least My Biggest Blunder In Science.

It Was Recently Discovered That Research Causes Cancer In Rats.