Ambition Is An Expensive Impulse, One That

Tamerlan Tsarnaev Is Telling No Tales. The Older Of The Two Brothers Who Committed The Boston Marathon Bombings Was Likely The One Who Planned The Attack, But When He Died In A Shootout With Police Just Days After The Blasts, His Thoughts And Motivations Vanished With Him.

The Brain Sits Snugly Inside The Skull, But It's Not A Completely Flush Fit - There Is Still A Layer Of Fluid Between Bone And Soft Tissue That Serves As A Natural Shock Absorber. Some Shocks, However, Can't Be Absorbed, And When The Head Gets Clobbered Too Hard, The Brain Can Twist Or Torque Or Rattle Around Inside Its Skeletal Casing.

We Pride Ourselves On Being The Only Species That Understands The Concept Of Risk, Yet We Have A Confounding Habit Of Worrying About Mere Possibilities While Ignoring Probabilities, Building Barricades Against Perceived Dangers While Leaving Ourselves Exposed To Real Ones.

There Are A Lot Of Ways To Make People Not Like You, But One Of The Most Powerful - If Least Fair - Is To Be Really, Really Successful. Nobody Resents The Guy Who Just Lost His Job. But The Guy Whose Internet Start-up Made Him A Billionaire At 25? That's A Whole Different Kettle Of Envy.

As Mba Professors Endlessly Tell Their Students, Companies Do Best When They Stick To What They Do Well. There's A Reason Apple Doesn't Make Blenders. There's A Reason Haagen-dazs Doesn't Sell Meat. And There's A Reason Drug Companies Should Focus On Saving And Improving Lives - Not Jeopardizing Them.