21.   More recent experiments have provided hints about where and how mathematical knowledge is embedded in the brain.

22.   Newspapers provided hints of the death toll but few details.

23.   Numerous gold coins found at the underwater archaeological sites provide a hint of when disaster struck.

24.   Only once did Jacoby provide a hint of the trouble.

25.   Search warrant affidavits that have been issued in the case provide hints of a grisly scenario at the Anthony home.

26.   Some companies will start providing hints about first-quarter earnings in March, and analysts worry that these announcements could include unpleasant news.

27.   Studies of twins provide hints about the social implications of cloning humans.

28.   The cinematic transition scenes are not only spooky, well-acted and occasionally gory, they also provide helpful hints about your mission.

29.   The computer will provide hints for harder words.

30.   The culinary practices of hot-weather cooks also provide invaluable hints about the flavorings and accompaniments that go best with grilled foods.