21.   Each casts light on the process from its own perspective.

22.   Finding out about them will cast light on Egyptian society as a whole.

23.   He searched for stories that cast light on ordinary lives.

24.   His career casts light on how politicians, businessmen and criminals have fashioned a subculture of corruption that spreads throughout Japanese business and politics.

25.   His journey casts some light on the complicated intellectual landscape of that very singular land.

26.   In the end, star birth, which started off a dark mystery, may well end up casting light on poorly understood events throughout the cosmos.

27.   In the diagrammatic representation of chromostereopsis, a white object is shown casting light toward a pair of eyes.

28.   It also cast light on the delicate nature of memory as it became unclear whether Daily had tainted the accounts of others who were actually there.

29.   Just the new president holding a kerosene lantern that cast a light as far as the harnesses, and Cronin gritting his teeth and praying.

30.   New figures cast fresh light on the urgency of the effort.