The historical circumstance of interest is that the tropical rain forests have persisted over broad parts of the continents since their origins as stronghold of the flowering plants 150 million years ago.

Not all ants use violence to dominate their world, some use more subtle methods.

The essence of humanity's spiritual dilemma is that we evolved genetically to accept one truth and discovered another. Is there a way to erase the dilemma, to resolve the contradictions between the transcendentalist and the empiricist world views?

Nature holds the key to our aesthetic, intellectual, cognitive and even spiritual satisfaction.

The global conservation organisations are doing everything they can on modest budgets. They essentially promote setting aside reserves and parks around the world.

I've found that good dialogue tells you not only what people are saying or how they're communicating but it tells you a great deal - by dialect and tone, content and circumstance - about the quality of the character.

You teach me, I forget. You show me, I remember. You involve me, I understand.