What Is the Universe Made Of?
What Is the Biological Basis of Consciousness?
How Long Can Human Life Span Be Extended?
How Does Earth's Interior Work?
Are We Alone In the Universe?
How and Where Did Life on Earth Arise?
Is an Effective HIV Vaccine Feasible?
How Hot Will the Greenhouse World Be?
What Can Replace Cheap Oil? When?
(I'm sure the Creationists have all the answers to these)