When you talk about "old" and "new" newspaper headlines, I assume you are talking about an older style from the 19th and earlier 20th centuries as compared with the style of newspaper headlines today. You don't give many examples of the older style which makes it difficult to comment. However, taking just the first headline " Latest news from wrecked titanic does not lessen its magnitude" you will notice several points: 1) It uses complete sentences and does not shun large words.
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