Understanding how DNA transmits all it knows about cancer, physics, dreaming and love will keep man searching for some time.

Sometimes luck is with you, and sometimes not, but the important thing is to take the dare. Those who climb mountains or raft rivers understand this.

Some otherwise sane scientists have seriously proposed that we tuck this deadly garbage under the edges of drifting continents but how can they be sure the moving land masses will climb over the waste and not just push it forward?

I was actually telling people that - by harnessing the atom - we could enter a new era of unlimited power that would do away with the need to dam our beautiful streams.

I sort of kept my hand in writing and went to work for the Sierra Club in '52, walked the plank there in '69, founded Friends of the Earth and the League of Conservation Voters after that.

Childbearing should be a punishable crime against society, unless the parents hold a government license. All potential parents should be required to use contraceptive chemicals, the government issuing antidotes to citizens chosen for childbearing.

Once we open the door to the plutonium economy, we expose ourselves to absolutely terrible, horrifying risks from these people.