Billions And Billions.

It Is Sometimes Said That Scientists Are Unromantic, That Their Passion To Figure Out Robs The World Of Beauty And Mystery. But Is It Not Stirring To Understand How The World Actually Works — That White Light Is Made Of Colors, That Color Is The Way We Perceive The Wavelengths Of Light, That Transparent Air Reflects Light, That In So Doing It Discriminates Among The Waves, And That The Sky Is Blue For The Same Reason That The Sunset Is Red? It Does No Harm To The Romance Of The Sunset To Know A Little Bit About It.

Eratosthenes's Only Tools Were Sticks, Eyes, Feet, And Brains; Plus A Zest For Experiment. With Those Tools He Correctly Deduced The Circumference Of The Earth, To High Precision, With An Error Of Only A Few Percent. That's Pretty Good Figuring For 2200 Years Ago.

Thus The Recent Rapid Evolution Of Human Intelligence Is Not Only The Cause Of But Also The Only Conceivable Solution To The Many Serious Problems That Beset Us.

Science Is A Collaborative Enterprise, Spanning The Generations. When It Permits Us To See The Far Side Of Some New Horizon, We Remember Those Who Prepared The Way - Seeing For Them Also.

The Surface Of The Earth Is The Shore Of The Cosmic Ocean.