Matt Ridley (http://rationaloptimist.com) is the author of The Rational Optimist,
from which this article is adapted. Copyright © 2010 by Matt Ridley.
Reprinted by arrangement with Harper, an imprint of HarperCollins
Publishers.
Matt Ridley (http://rationaloptimist.com) is the author of The Rational Optimist,
from which this article is adapted. Copyright © 2010 by Matt Ridley.
Reprinted by arrangement with Harper, an imprint of HarperCollins
Publishers.