We've identified most of their bobbled refuges, but Mike thinks there are some secret ones underground.

These facilities will keep evolving, to answer our deepest thoughts and desires (yes, including those secret ones).

"The Vellae's obvious motives are good enough, without hunting for secret ones."

In one study, men and women living in Texas reported that the past relationships they continued to think about were most often secret ones.

you might want to wipe tapes, then use the secret ones to barter for your freedom.

Especially the secret ones that appear in food when you least expect them to.

Show us how effective these measures are using open documents, not secret ones.

In the third century, when this protection was withdrawn, the Christians closed the entrances and made secret ones.

They know every report she receives, even the secret ones, every word spoken to her.

Yet they acknowledge that the company still operates in a system where political considerations, often secret ones, guide the most important decisions.