Recent Discoveries About Apes Suggest, However, That

Not Until The Beginning Of The 20th Century Did Europe's Urban Populations Finally Become Self-sustaining: Before Then, Constant Immigration Of Healthy Peasants From The Countryside Was Necessary To Make Up For The Constant Deaths Of City Dwellers From Crowd Diseases.

Twenty Years Ago, You Might Have Been Pessimistic And Said There's No Hope. But These Days, Some Of Our Very Biggest Companies Are Acting Remarkably Cleanly. And In Some Cases, Although Not All Cases, The Ceos Are The Driving Forces Behind That.

Biology Is The Science. Evolution Is The Concept That Makes Biology Unique.

It Invites A Search For Ultimate Causes: Why Were Europeans, Rather Than Africans Or Native Americans, The Ones To End Up With Guns, The Nastiest Germs, And Steel?

Federal Elections Happen Every Two Years In This Country. Presidential Elections Every Four Years. And Four Years Just Isn't Long Enough To Dismantle All The Environmental Laws We've Got In This Country.