Aug 24, 2014

Q.1424

Europeans, especially Spanish explorers and colonialists, were thought to have brought this to the people of South America. However, a 2014 study published in the science journal 'Nature' claimed that this was already present in marine animals such as seals off the coast of modern-day Peru & Chile.

To do this, the researchers studied skeletons from that time period for scars, since lungs from these remains were obviously not available after such a long time. What is the subject of this study?

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This day last year: Q.1059

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