31.   Scientists hope it will unlock secrets such as those of black holes and the Big Bang.

32.   Scientists may take decades to unlock the secrets of mad cow disease, a top researcher said Wednesday.

33.   The discoveries may unlock secrets about daily life and the level of technology available to potters at the time.

34.   Unlocking its secrets won three American researchers the Nobel Medicine Prize on Monday.

35.   Their painstaking translations finally enabled Egyptologists to unlock the secrets of the Pharaohs.