Science Is A Way Of Thinking Much

Chlorine Is A Deadly Poison Gas Employed On European Battlefields In World War I. Sodium Is A Corrosive Metal Which Burns Upon Contact With Water. Together They Make A Placid And Unpoisonous Material, Table Salt. Why Each Of These Substances Has The Properties It Does Is A Subject Called Chemistry.

Finding The Occasional Straw Of Truth Awash In A Great Ocean Of Confusion And Bamboozle Requires Intelligence, Vigilance, Dedication, And Courage. But If We Don't Practice These Tough Habits Of Thought, We Cannot Hope To Solve The Truly Serious Problems That Face Us --- And We Risk Becoming A Nation Of Suckers, Up For Grabs By The Next Charlatan Who Comes Along.

We Humans Appear On The Cosmic Calendar So Recently That Our Recorded History Occupies Only The Last Few Seconds Of The Last Minute Of December 31st.

In Science It Often Happens That Scientists Say, 'you Know That's A Really Good Argument; My Position Is Mistaken,' And Then They Would Actually Change Their Minds And You Never Hear That Old View From Them Again. They Really Do It. It Doesn't Happen As Often As It Should, Because Scientists Are Human And Change Is Sometimes Painful. But It Happens Every Day. I Cannot Recall The Last Time Something Like That Happened In Politics Or Religion.

The Near Side Of A Galaxy Is Tens Of Thousands Of Light-years Closer To Us Than The Far Side; Thus We See The Front As It Was Tens Of Thousands Of Years Before The Back. But Typical Events In Galactic Dynamics Occupy Tens Of Millions Of Years, So The Error In Thinking Of An Image Of A Galaxy As Frozen In One Moment Of Time Is Small.