Neanderthals.
(Image credit: 1971yes/iStock)

This week's question: A new study suggests that the Neanderthal DNA that still lurks in many of our bodies — the result of ancient hook-ups between our ancestors and Homo neanderthalensis — could help humans fight off deadly infections. If scientists were to write a self-help book on the benefits of embracing your inner Neanderthal, what title could they give it?

Click here to see the results of last week's contest: No treats

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