A single decision by the chairman of Royal Dutch/Shell has a greater impact on the health of the planet than all the coffee-ground-composting, organic-cotton-wearing ecofreaks gathering in Washington D.C., for Earth Day festivities this weekend.

Arguing, after all, is less about seeking truth than about overcoming opposing views.

A single decision by the chairman of Royal Dutch/Shell has a greater impact on the health of the planet than all the coffee-ground-composting, organic-cotton-wearing ecofreaks gathering in Washington D.C., for Earth Day festivities this weekend.

Like sand on the beach, the brain bears the footprints of the decisions we have made, the skills we have learned, the actions we have taken.

The mind's cross indexing puts the best librarian to shame.

The mind can store an estimated ioo trillion bits of information compared with which a computer's mere billions are virtually amnesiac.

With modern parts atop old ones, the brain is like an iPod built around an eight-track cassette player.