Why do leopards grow spots when tigers grow stripes? Is the universe round, square, or some other shape? How do the dimples in a golf ball give it greater lift?

This extensively updated edition of a crucial New Age classic will appeal to previous and new readers alike

Here for the geek in all of us are fifty foolproof equations that take the guesswork out of lifeÑand the funniest twist on an idea since Richard SmithÕs The D

More than 300 years ago, Isaac Newton created a mathematical model of the solar system that predicted the existence of a yet unknown planet: Neptune. Today, dri

#1 NATIONAL BESTSELLER #1 INTERNATIONAL BESTSELLER What does everyone in the modern world need to know? Renowned psychologist Jordan B. Peterson's answer to thi