He likes to imagine he is the only one to notice this strange, hidden detail.

If it worked, every hidden detail of Ari's personal life was going to have scientific significance.

The Yellow Arrow symbol means "there's more here: a hidden detail, a funny story, a memory, and a crazy experience."

The tours, all easy rides, are for the history-conscious and Paris lovers in search of hidden details.

"For me the key was to keep the interiors simple and somewhat sparse, but with rich, hidden details," he said.

At the Tate Gallery, five to 13 year olds are encouraged to play detective to find the hidden details in paintings.

The cleaning has revealed many hidden details.

"I've learned, through painful experience, to ask about the hidden details of Keldara rituals."

Used to ensure there are no hidden details that could affect the deal.

As a hidden detail, an authentic ratchet was modified and used as kickstand.