From Longman Dictionary of Contemporary Englishthrow light on somethingthrow light on somethingSHOW/LET somebody SEE somethingto make something easier to understand by providing new information Recent investigations have thrown new light on how the two men died. → throw
Examples from the Corpus
throw light on something• But my frantic, full-beamed Mayday signal only threw light on a de-iced porthole.• Geographical comparison of patterns of lawbreaking sometimes throws light on more general differences in social and economic conditions.• Epidemiological studies sometimes threw light on preventable causes of cancer.• A comparison of the two will throw light on the crisis of conscience on both occasions.• But I have not found anything in the careful judgment of Mustill L.J. which throws light on the issues presently under consideration.• Experiments to throw light on the processes at work must themselves be long-term.• It also seeks to throw light on the role assumed by planters and the planting lobby in society at large.• Life-positions throw light on why it is that some people tend to be winners and some losers in life. 