Cat geoglyph among Nazca Lines; artifacts rescued from melting Alpine glaciers; dispute over Titanic radio; conserving perishable Arctic artifacts.

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New Nazca Line discovery shows a cat sprawling across the hillside

As glaciers in the Alps melt, archaeologists race to rescue fragile artifacts 

Archaeologists fear retrieval of Titanic radio may disturb human remains

Scientists find new ways to conserve Arctic Circle artifacts