Barnes raised the field glasses up, lowered them, pursed his lips as if in deep thought, and then said, in a newly formed sarcastic voice, Hell, you missed the whole thing, Lee.

NEWYORKER: The Tree Line, Kansas, 1934

After he left, our room seemed to be swirling with fresh air, and Father was deep in thought the entire day, looking intently at the newspaper.

NPR: Literature and Lullabies from the 'Axis of Evil'

Advanced technologies have made it possible to not just extract more oil from conventional sources previously thought tapped, but frack and deep-water drill in spots not even thought of 20 years ago.

FORBES: America's (Un)Peak Oil

The clubhouse was built in 1854 and is thought to be the first cement house constructed in America's Deep South.

BBC: US Masters: Did you know?

But it became clear, once he began talking, animatedly, with extravagant hand gestures and giggles of delight, that the apparent anguish was merely an expression of deep thought, a counterpoint to his ebullience in answering.

NEWYORKER: Master of Play

Let me start with a deep thought: You are the most important person in the world.

FORBES: "Do No Harm Spending"- Of Boots And Vacations

Current and future academics, historians and anthropologists will have a simple but deep dataset to analyze in new ways they haven't thought of yet.

CNN: Who said tweets are trivial?

They say there is deep meaning in numbers so simple that we barely give them a second thought when we use them.

BBC: The secret of squares revealed

While places like the Mariana Trench were once thought to be of little interest, there has been a recent resurgence of scientific interest in the deep.

BBC: James Cameron back on surface after deepest ocean dive

It was a Saturday morning deep in the bowels of Covent Garden Market in London, but the bang when the bottle spectacularly exploded I thought was sure to bring SWAT troops parachuting down on us.

CNN: From a voyage of discovery to a real ocean odyssey