“As far as plants are concerned, they can't tell whether that nitrate i...” — Norman Borlaug Quote

As far as plants are concerned, they can't tell whether that nitrate ion comes from artificial chemicals or from decomposed organic matter.

Unless progress with agricultural yields remains very strong, the next century will experience sheer human misery that, on a numerical scale, will exceed the worst of everything that has come before.

If the world population continues to increase at the same rate, we will destroy the species.

Abnormal stresses and strains tend to accentuate man's animal instincts and provoke irrational and socially disruptive behavior among the less stable individuals in the maddening crowd.

The reason space missions need artificial gravity is clear: humans simply did not evolve to live in zero gravity.

As a presenter, you have to speak with artificial energy and enthusiasm.

Well, to be frank I like natural beauty. Not artificial.

Since 1993, I have had the rich satisfaction of knowing and working with many openly gay and lesbian Americans, and I have come to realize that 'gay' is an artificial category when it comes to measuring a man or woman's on-the-job performance or commitment to shared goals. It says little about the person.

A boundary is really something artificial we made up. The ecosystem and landscape continue.