Her robotic sentinels keep watch, but what dangers lie hidden in the shadows?

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It is having to cut its prices on some land, to win over buyers afraid of what may lie hidden underneath.

ECONOMIST: Panama

There are similar properties throughout Gulberg, where large houses with tropical gardens, carefully watered lawns, and expansive pools lie hidden behind high brick walls.

NEWYORKER: Days of Rage

Scientists had thought that medium black holes might lie hidden among millions of stars in globular clusters, which sit within galaxies containing hundreds of billions of stars.

MSN: Existence of middleweight black holes nearly ruled out

Within this data lie valuable patterns and information, previously hidden because of the amount of work required to extract them.

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