Despite our very recent appearance on the planet, humanity combines arrogance with increasing material demands, even as we become more numerous. Our toughness is a delusion. Have we the intelligence and discipline to vigilantly guard against our tendency to grow without limit?

My work more than didn't fit in. It crossed willy-nilly the boundaries that people had spent their lives building up. It hits some 30 subfields of biology, even geology.

People think the earth is going to die and they have to save it. That's ridiculous. If you rid the earth of flowering plants, people would die, period. But the earth was without flowering plants for almost all of its history.

To romp along the connected rooftops and fire escapes of Chicago's second city of garages was my young life's passion.

Science has advanced a long way in the 44 years since Roe v. Wade, and it is time that our laws reflect the undeniable truth that life begins at fertilization and that unborn citizens are entitled to the same protections as every American.

I climbed nine mountains because I love adventure, and I got addicted to that feeling and I never wanted to stop. I wanted to see what I could accomplish. I finally can say that I stood on top of the world.

In requiring this candor and simplicity of mind in those who would investigate the truth of our religion, Christianity demands nothing more than is readily conceded to every branch of human science.

Basically, most good science in space flight has to do with the behavior of the human body in space. That is where we are lacking info, and where info can only be obtained by flying in space.