Meanings

seabed probe

metal detection

finding oneself

spot the difference (puzzle)

Mars lander

inept detective

spring outing

smoke alarm

lunar rover

electronic locator

binary search

binary search tree

exploratory excavation

to give up searching (for someone or something)

to find fault (with)

to search every square inch

searching for the culprit

to probe someone's real intentions

Monte Carlo tree search

rooting reflex