Science Always Uses Metaphor.

I've Got Personal Views On The '60s. You Can't Have Freedom Without Paying The Price For It.

Life Does More Than Adapt To The Earth. It Changes The Earth To Its Own Purposes.

One Pound Of Uranium Is Worth About 3 Million Pounds Worth Of Coal Or Oil.

Sadly, It's Much Easier To Create A Desert Than A Forest.

The Tropical Rain Forests Are A Telling Example. Once Cut Down, They Rarely Recover. Rainfall Drops, Deserts Spread, The Climate Warms.