Feature

  1. African Fossil Pushes Back Human Ancestry

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  2. How the Brain Knows When Eating Must Stop

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  3. Risky Sex Breeds Neglected Epidemic

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  4. Protecting Predators

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  5. Science & Society

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  6. Bioluminescence and Chronic Disease

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  7. Biomedicine

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  8. Bullies of the Universe

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  9. Back Matter

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  10. Front Matter

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  11. Books

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  12. Connections May Decline with Age

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